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Sexual ethics

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• Ethics
• Sex

• Sexual ethics -- Africa
• Sexual ethics -- Africa, Sub-Saharan
• Sexual ethics -- Czech Republic
• Sexual ethics -- Early 20th century
• Sexual ethics -- Early works to 1800
• Sexual ethics -- Fiction
• Sexual ethics -- France
• Sexual ethics -- Germany
• Sexual ethics -- Great Britain
• Sexual ethics -- History
• Sexual ethics -- Japan
• Sexual ethics -- Middle East
• Sexual ethics -- Periodicals
• Sexual ethics -- Religious aspects
• Sexual ethics -- United States
• Chastity
• Free love
• Premarital sex
• Sexual ethics in literature

• Sex ethics
• Sex -- Moral and ethical aspects
• Sexual behavior, Ethics of

• How to Help Your Child Say "No" to Sexual Pressure (Dallas et al.: Word Publishing, c1987), by Josh McDowell (PDF at josh.org)
• The Sex Radicals: Free Love in High Victorian America (Lawrence, KS: The Regents Press of Kansas, c1977), by Hal D. Sears (page images at HathiTrust)
• An Appeal to Mothers, by Ellen G. White (HTML with commentary at ellenwhiteexposed.com)
• A Discourse on the True Meaning of the Bible as Applied to Morals and Laws (London: St. Clements Press, 1912), by Tennessee Claflin Cook (page images at HathiTrust)
• Karezza: Ethics of Marriage (1903), by Alice B. Stockham
  • HTML and PDF with commentary at reuniting.info
  • HTML with commentary at sacred-texts.com
• Little Essays of Love and Virtue (from a 1937 compilation), by Havelock Ellis (HTML at Virginia)
• Love and Parentage, Applied to the Improvement of Offspring (bound with "Amativeness"; 40th edition; New York: Fowlers and Wells; 1855), by O. S. Fowler (page images at HathiTrust)
• Men, Women, and God: A Discussion of Sex Questions From the Christian Point of View (1922), by Arthur Herbert Gray (Gutenberg text)
• Modern Sexual Morality (Girard, KS: Haldeman-Julius Co., c1924), by Clement Wood (PDF at Wayback Machine)
• Sex-Love, and its Place in a Free Society (second edition; Manchester, UK: Labour Press Society, 1894), by Edward Carpenter (page images at HathiTrust)
• Sex Morality: Past, Present, and Future (second edition, 1919), by William J. Robinson, Leo Jacobi, James Peter Warbasse, Edwin C. Walker, James F. Morton, Bernard Simon Talmey, and Maude Glasgow (PDF at Wayback Machine)
• Sexual Ethics: A Study of Borderland Questions (1914), by Robert Michels (multiple formats at archive.org)
• The Sexual Organs, Their Use and Abuse: The Subject Upon Which Men and Women Know the Least, Yet Ought to Know the Most: Guide to Man (Kitchener, ON; Buffalo: J.E.H. Hett, 1899), by J. E. Heller Hett (multiple formats at archive.org)
• The Wedding Night (ca.1900), by Ida C. Craddock (HTML at idacraddock.org)
• The Torch of Life: A Key to Sex Harmony (New York: Eugenics Pub. Co., c1939), by Frederick M. Rossiter (page images at HathiTrust)
• Morals and Marriage: The Catholic Background to Sex (1936), by Thomas Gilby (HTML at EWTN)
• The Sexual Instinct: Its Use and Dangers, As Affecting Heredity and Morals (third edition; Chicago: Login Brothers, 1930), by James Foster Scott (multiple formats at archive.org)
• Conjugial Love (multiple translations), by Emanuel Swedenborg
  • Acton edition: HTML at eswedenborg.com
  • Chadwick edition: HTML at eswedenborg.com
  • Rogers edition: HTML at eswedenborg.com
• Delights of Wisdom Relating to Conjugial Love, Followed by Pleasures of Insanity Relating to Licentious Love, by Emanuel Swedenborg, trans. by N. Bruce Rogers (HTML at theheavenlydoctrines.org)
• Geschlecht und Charakter: Eine Prinzipielle Untersuchung (in German; Vienna and Leipzig: W. Braumuller, 1903), by Otto Weininger
  • Gutenberg text
  • page images in Austria
• Geschlecht und Charakter: Eine Prinzipielle Untersuchung (11th edition, in German; Vienna and Leipzig: W. Braumuller, 1909), by Otto Weininger
  • multiple formats at archive.org
  • page images at HathiTrust; US access only
• The Great Scourge and How to End It (London: E. Pankhurst, 1913), by Christabel Pankhurst
  • multiple formats at archive.org
  • page images at HathiTrust; US access only
• Love and Ethics (New York: B. W. Huebsch, c1911), by Ellen Key
  • multiple formats at archive.org
  • page images at HathiTrust
• Love's Coming-of-Age: A Series of Papers on the Relations of the Sexes (fifth edition (enlarged), 1906), by Edward Carpenter (HTML with commentary at sacred-texts.com)
• The Modern Mother: A Guide to Girlhood, Motherhood, and Infancy (New York: R. F. Fenno and Co., ca. 1909), by H. Laing Gordon, illust. by Rene Walker (page images at HathiTrust)
• Plain Facts for Old and Young: Embracing the Natural History and Hygiene of Organic Life, by John Harvey Kellogg (illustrated HTML at Virginia)
• Pol i Kharakter: Teoreticheskoe Izsli︠e︡dovanīe (Sex and Character translated into Russian; St. Petersburg: Kn-vo Posiev, 1909), by Otto Weininger (page images at HathiTrust; US access only)
• The Revolt of Modern Youth (New York: Boni and Liveright, 1925), by Ben B. Lindsey and Wainwright Evans
  • multiple formats at Google
  • page images at HathiTrust
• Satan in Society (Chicago: C. F. Vent Company, 1890), by Nicholas Francis Cooke, contrib. by Caroline Fairfield Corbin and Eliza Allen Starr (multiple formats at archive.org)
• Save the Girls (Fort Wayne, IN: M.` Long, 1883), by Mason Long (multiple formats at Indiana)
• Search Lights on Health, Light on Dark Corners: A Complete Sexual Science and a Guide to Purity and Physical Manhood, Advice to Maiden, Wife and Mother, Love, Courtship and Marriage (Toronto: J.L. Nichols, ca. 1894), by B. G. Jefferis and J. L. Nichols (multiple formats at archive.org)
• Sex and Character, by Otto Weininger (PDF and partial HTML with commentary at theabsolute.net)
• Sex and Character (authorized translation from the sixth German edition; London: W. Heinemann; New York: G.P. Putnam's Sons, 1906), by Otto Weininger
  • multiple formats at archive.org
  • page images at HathiTrust; US access only
• The Sexual Crisis: A Critique of Our Sex Life (second edition; New York: The Critic and Guide Co., 1917), by Grete Meisel-Hess, trans. by Eden Paul and Cedar Paul, contrib. by William J. Robinson (multiple formats at archive.org)
• The Sexual Life of Our Time in its Relations to Modern Civilization (translated from the 6th German edition; London: Rebman Ltd., 1908), by Iwan Bloch, trans. by Eden Paul (multiple formats at archive.org)
• Tried as by Fire: or, The True and the False, Socially (New York: Woodhull and Claflin, 1874), by Victoria C. Woodhull (page images at sc.edu)
• The Islamic Modest Dress, by Murtaza Mutahhari, trans. by Laleh Bakhtiar (frame-dependent HTML at al-islam.org)
• Social control of sex expression (W. Morrow & company, 1931), by Geoffrey May (page images at HathiTrust; US access only)
• Discussioni sull' amore (Edizioni di propaganda Culmine, 1927), by E. Armand, L. Moreau, and E. Mozart (page images at HathiTrust; US access only)
• Amour libre & liberté sexuelle : variations sur la volupté (Éditions de l'En dehors, 1926), by E. Armand (page images at HathiTrust; US access only)
• Amour libre et liberté sexuelle : la question des rapports sexuels et les individualistes anarchistes (Éditions de l'En dehors, 1925), by E. Armand (page images at HathiTrust; US access only)
• De la liberté sexuelle : variations sur la volupté ("Par delà la mêlée", 1916), by E. Armand (page images at HathiTrust; US access only)
• Immoralité du mariage (La Brochure Mensuelle, 1900), by René Chaughi (page images at HathiTrust; US access only)
• The genesis and ethics of conjugal love (Colby & Rich, 1881), by Andrew Jackson Davis (page images at HathiTrust)
• Studies in the psychology of sex, by Havelock Ellis. (F.A. Davis Co., 1910), by Havelock Ellis (page images at HathiTrust)
• Analysis of the sexual impulse; love and pain; the sexual impulse in women (F. A. Davis company, 1913), by Havelock Ellis (page images at HathiTrust)
• When love is liberty and nature law : a lecture read before the Walthamstow Literary Institute, on March 3rd, 1893 (W. Reeves, 1893), by John Badcock (page images at HathiTrust)
• From generation to regeneration ; The sex question and the money power ; and The tree of life between two thieves : three pamphlets on the occult forces of sex (Murray Hill Publishing Company, 1891), by Lois Waisbrooker (page images at HathiTrust)
• Woman's source of power (Published by the Alliance, 1902), by Lois Waisbrooker (page images at HathiTrust)
• Anything more, my lord? (Independent Publishing Company, 1895), by Lois Waisbrooker (page images at HathiTrust)
• The sexual life of our time in its relations to modern civilization (Allied book company, 1928), by Iwan Bloch and Eden Paul (page images at HathiTrust)
• The rights of women and the sexual relations. (C. H. Kerr & company, 1898), by Karl Heinzen (page images at HathiTrust)
• The sex life of youth (Association press, 1929), by Council of Christian associations. Commission on relations between college men and women, Harry Bone, and Grace Loucks Elliott (page images at HathiTrust)
• Die erotische freiheit. (S. Fischer, 1928), by Otto Flake (page images at HathiTrust; US access only)
• Men, women, and God; a discussion of sex questions from the Christian point of view (George H. Doran company, 1923), by Arthur Herbert Gray (page images at HathiTrust)
• Sittlichkeit in ziffern? Kritik der moralstatistik (Duncker & Humblot, 1928), by Robert Michels (page images at HathiTrust; US access only)
• L'amour et la morale (Payot, 1925), by Jacques Fischer (page images at HathiTrust; US access only)
• Sex and the social order (McGraw-Hill book company, inc., 1946), by Georgene Hoffman Seward (page images at HathiTrust)
• The Christian approach to social morality (National board, Young womens Christian associations, United States of America, 1913), by Richard C. Cabot and Young Women's Christian Association of the U.S.A. National Board (page images at HathiTrust; US access only)
• Towards moral bankruptcy (Constable and company limited, 1925), by Paul Bureau (page images at HathiTrust; US access only)
• So youth may know; sex education for youth. (Association Press, 1948), by Roy E. Dickerson (page images at HathiTrust)
• L'homme-femme (Michel Lévy frères [etc.], 1872), by Alexandre Dumas (page images at HathiTrust)
• The conduct of sex : biology and ethics of sex and parenthood in modern life (Morrow, 1961), by Lawrence K. Frank (page images at HathiTrust)
• Conjugal sins against the laws of life and health, and their effects upon the father, mother and child (J.S. Redfield, 1870), by Augustus K. Gardner and Alfred E. M. Purdy (page images at HathiTrust)
• The married woman; a practical guide to happy marriage (World Pub. Co., 1951), by Gladys Hoagland Groves and Robert A. Ross (page images at HathiTrust; US access only)
• The companionate marriage (Boni & Liveright, 1927), by Ben B. Lindsey and Wainwright Evans (page images at HathiTrust)
• Modern youth and marriage (D. Appleton and company, 1928), by Henry Neumann (page images at HathiTrust; US access only)
• Eugenics marriage and birth control <practical eugenics>. (The Critic and guide company, 1917), by William J. Robinson (page images at HathiTrust)
• Women as sex vendors: (C. H. Kerr & company, 1918), by R. B. Tobias and Mary Marcy (page images at HathiTrust)
• Sex ethics and the Kinsey reports (Association Press, 1953), by Seward Hiltner (page images at HathiTrust)
• Premarital intercourse and interpersonal relationships : a research study of interpersonal relationships based on case histories of 668 premarital intercourse experiences reported by 200 college level males (Julian Press, 1961), by Lester Allen Kirkendall (page images at HathiTrust)
• Men, women, and morals. (Association Press, 1952), by Sylvanus Milne Duvall (page images at HathiTrust)
• Jahrbücher für folkloristische erhebungen und forschungen zur entwicklunggeschichte der geschlechtlichen moral v. 1-6 (Deutsche verlagaktiengesellschaft, 1904), by Friedrich Salamo Krauss (page images at HathiTrust; US access only)
• The social evil in university life; a talk with the students of the University of Pennsylvania (The Vir publishing company; [etc., etc., 1905), by Robert N. Willson (page images at HathiTrust)
• Sex radicalism as seen by an emancipated woman of the new time (M. Harman, 1905), by Dora Forster and James Stevens (page images at HathiTrust)
• Marriage and the sex-problem (Wells Gardner, Darton & co., ltd., 1911), by Friedrich Wilhelm Foerster and Meyrick Booth (page images at HathiTrust; US access only)
• Sexual problems of to-day (The Critic and guide company, 1933), by William J. Robinson (page images at HathiTrust)
• Heredity and morals as affected by the use and abuse of the sexual instinct. Essentials to the welfare of the individual and the future of the race. (E. B. Treat & company, 1900), by James Foster Scott (page images at HathiTrust)
• Zeitehe; ein vorschlag (A. Marcus & E. Weber, 1928), by Charlotte Homeyer (page images at HathiTrust; US access only)
• The right to be happy (Harper & Brothers, 1927), by Dora Winifred Black Russell Russell (page images at HathiTrust; US access only)
• The biology, physiology and sociology of reproduction, also sexual hygiene, with special reference to the male. (Wynnewood publishing co., 1913), by Winfield Scott Hall (page images at HathiTrust)
• The laws of sex (R.G. Badger, 1921), by Edith Houghton Hooker (page images at HathiTrust)
• False modesty. (Forbes & company, 1912), by E. B. Lowry (page images at HathiTrust)
• Rational sex ethics; a physiological and psychological study of the sex lives of normal men and women with suggestions for a rational sex hygiene, together with further investigations. (R.G. Badger; [etc., etc., 1920), by W. F. Robie (page images at HathiTrust)
• Purity and truth (Vir, 1902), by Emma F. Angell Drake, Cairns Collection of American Women Writers, and Vir Publishing Company (page images at HathiTrust)
• Fundamentals in sexual ethics. (A. & C. Black, ltd., 1920), by S. Herbert (page images at HathiTrust)
• Sane sex life and sane sex living : some things that all sane people ought to know about sex nature and sex functioning; its place in the economy of life, its proper training and righteous exercise. Also, a study of how to cultivate and practice the art of love, and how to master the science of procreation (R.G. Badger, 1919), by H. W. Long (page images at HathiTrust)
• The sexual crisis : a critique of our sex life (Critic and Guide, 1917), by Grete Meisel-Hess, Cedar Paul, and Eden Paul (page images at HathiTrust)
• Sex and life : what the experienced should teach and what the inexperienced should learn (Richard G. Badger, the Gorham Press, 1920), by W. F. Robie (page images at HathiTrust)
• Why we die. (Schooley stationery and printing co., 1920), by Sidney C. Tapp (page images at HathiTrust)
• Plain talks on avoided subjects. (F.A. Davis, 1882), by Henry N. Guernsey (page images at HathiTrust)
• Creative and sexual science. (The National publishing company, 1875), by O. S. Fowler (page images at HathiTrust)
• What a man of forty-five ought to know (The Vir Publishing Company; [etc, etc., 1901), by Sylvanus Stall (page images at HathiTrust)
• Conjugial love and its chaste delights; also, Adulterous love and its sinful pleasures (American Swedenborg Printing and Publishing Society, 1876), by Emanuel Swedenborg and Henry Butter (page images at HathiTrust)
• So you think it's love! Dating, necking, petting, going steady. (Public Affairs Committee, 1950), by Ralph Eckert (page images at HathiTrust)
• Zagadnienia seksualne (Ksiegarnia polska, 1902), by Leo Tolstoy and Alf W. (page images at HathiTrust; US access only)
• Practical physiological philosophy. (W.D. Richardson, 1891), by John C. Nottingham (page images at HathiTrust)
• Some phases of sexual morality and church discipline in colonial New England. (J. Wilson and son, 1891), by Charles Francis Adams (page images at HathiTrust)
• Delights of wisdom concerning conjugial love; after which follow pleasures of insanity concerning scortatory love. (O. Clapp;, 1852), by Emanuel Swedenborg, T. B. Hayward, Warren Goddard, and Theophilus Parsons (page images at HathiTrust)
• The dynamic of manhood (Association Press, 1918), by Luther Halsey Gulick (page images at HathiTrust)
• Little essays of love and virtue (A. & C. Black, Ltd., 1922), by Havelock Ellis (page images at HathiTrust)
• Sex searchlights and sane sex ethics : an anthology of sex knowledge (Science publishing company, 1922), by Lee Alexander Stone (page images at HathiTrust)
• Married love : or, Love in marriage (The Critic and guide company, 1918), by Marie Carmichael Stopes (page images at HathiTrust)
• Sex freedom and social control (The University of Chicago Press, 1926), by Charles W. Margold (page images at HathiTrust)
• Satan in society, a plea for social purity. A discussion of the true rights of woman, marital and social ([n.p.], 1892), by Nicholas Francis Cooke (page images at HathiTrust)
• The task of social hygiene (Houghton Mifflin Co., 1912), by Havelock Ellis (page images at HathiTrust)
• The task of social hygiene (Houghton Mifflin Company, 1922), by Havelock Ellis (page images at HathiTrust)
• Love and parentage, applied to the improvement of offspring, including important directions and suggestions to lovers and the married concerning the strongest ties and the most momentous relations of life. (Fowlers and Wells, 1850), by O. S. Fowler (page images at HathiTrust)
• Womanhood and marriage (Physical Culture Corp., 1918), by Bernarr Macfadden (page images at HathiTrust)
• The married woman : a practical guide to happy marriage (Blue Ribbon Books, 1939), by Gladys Hoagland Groves and Robert Alexander Ross (page images at HathiTrust)
• The eternal question? (Standard Publishing Co., 1928), by M. F. Teehan (page images at HathiTrust)
• Your key to romance; a frank approach to love for the young woman of today (Pegasus Books, 1948), by Harold M. Sherman (page images at HathiTrust)
• Sex and life; what the experienced should teach and what the inexperienced should learn (Rational Life, 1924), by W. F. Robie (page images at HathiTrust)
• Marriages are not made in heaven (Association Press, 1939), by Janet Fowler Nelson and Margaret Hiller (page images at HathiTrust)
• Man's strength and woman's beauty : a treatise on the physical life of both sexes, embracing the royal road to life, love, and longevity : including an outline of how human life begins; its growth and expansion in youth; its perfection under the laws of love; and the general discipline by which its happiness is fostered and matured (Jones Brothers and Co., 1879), by Pye Henry Chavasse (page images at HathiTrust)
• The virile powers of superb manhood : how developed, how lost, how regained (Physical Culture Pub. Co. ;, 1900), by Bernarr Macfadden (page images at HathiTrust; US access only)
• Mothers and sons : a book for parents, and those in loco parentis (E.P. Dutton & Co., 1904), by Ellice Hopkins (page images at HathiTrust)
• Attentats aux moeurs et perversions du sens génital; leçons professées à la Faculté de médecine. (Doin, 1898), by Léon-Henri Thoinot and Ernest Pierre Dupré (page images at HathiTrust)
• Sane sex life & sane sex living : some things that all sane people ought to know about sex nature and sex functioning; its place in the economy of life, its proper training and righteous exercise (Eugenics Pub. Co., 1937), by H. W. Long (page images at HathiTrust)
• Conjugial love and its chaste delights; also, Adulterous love and its sinful pleasures. (American Swedenborg Printing and Publishing Society, 1871), by Emanuel Swedenborg and Henry Butter (page images at HathiTrust)
• Sexology as the philosophy of life: implying social organization and government. (Published for the author by J.R. Walsh, 1867), by Elizabeth Osgood Goodrich Willard (page images at HathiTrust)
• What a young woman ought to know (Vir, 1898), by Mary Wood-Allen and Cairns Collection of American Women Writers (page images at HathiTrust)
• The right to be happy (Garden City Pub. Co., 1927), by Dora Winifred Black Russell Russell (page images at HathiTrust)
• The question of petting (Association Press, 1932), by Max Joseph Exner (page images at HathiTrust)
• Advice to boys. With information they ought to and must know ... (Richard Allen Institute, 1900), by Lewis Johnston (page images at HathiTrust)
• Die sexuelle Not (C.W. Stern, 1909), by Fritz Wittels (page images at HathiTrust; US access only)
• The future of marriage in western civilisation (Macmillan, 1936), by Edward Westermarck (page images at HathiTrust)
• Ethische und rechtliche Konflikte im Sexualleben in und ausserhalb der Ehe (E. Reinhardt, 1909), by Auguste Forel (page images at HathiTrust; US access only)
• De rebus venereis ad usum confessariorum auctore D. Craisson ... (Poussielgue fratres, 1870), by D. Craisson (page images at HathiTrust)
• The single, the engaged and the married (Eugenics Publishing Company, inc., 1936), by Maurice Chideckel (page images at HathiTrust)
• The crime of silence (Physical culture publishing co., 1915), by Orison Swett Marden (page images at HathiTrust)
• The new chivalry; the statement of a movement among men and young men in the defense of home and country (Hodder & Stoughton, George H. Doran company, 1914), by Henry E. Jackson (page images at HathiTrust)
• Taking "forth the precious from the vile"--Jer. XV, 19, including They shall know themselves into one, rev. and enl. A study in higher mental hygiene, correlating biology, science, philosophy and religion (George Banta publishing company, 1920), by Jessie Thomas Knapp (page images at HathiTrust)
• Motherhood and its enemies (Doubleday, Doran & company, inc., 1928), by Charlotte Haldane (page images at HathiTrust)
• Liebe und Ehe in Ostasien und bei den Kulturvölkern Altamerikas. (Franckh, 1910), by Ferdinand Reitzenstein (page images at HathiTrust; US access only)
• "Hell upon earth" made heaven; or, The marriage secrets of a Chicago contractor (The Order of the Orange Blossom, 1907), by George Washington Savory (page images at HathiTrust; US access only)
• Marriage and the sex-problem. (Stokes, 1912), by Friedrich Wilhelm Foerster (page images at HathiTrust; US access only)
• So youth may know; new viwepoints on sex and love (Association Press, 1930), by Roy E. Dickerson (page images at HathiTrust)
• Personal reply (David McKay, 1943), by Marie Manning (page images at HathiTrust)
• The bankruptcy of marriage (Macauley, 1928), by V. F. Calverton (page images at HathiTrust; US access only)
• Love - marriage - birth control; being a speech delivered at the Church congress at Birmingham, October, 1921: (Nisbet & co., 1922), by Bertrand Dawson Dawson (page images at HathiTrust)
• Deontologia médica en las tendencias sexuales de los célibes (E. Maestre, 1927), by Antonio Castro Calpe (page images at HathiTrust; US access only)
• Ueber geschlechtsfreiheit. Ein philosophischer versuch zur erhöhung des menschlichen glückes. (E. Staude, 1878), by Roderich Hellmann (page images at HathiTrust)
• Confidences; talks with a young girl concerning herself. (Forbes, 1913), by E. B. Lowry (page images at HathiTrust)
• Personal information for boys (R.F. Fenno & company, 1909), by Ernest Edwards (page images at HathiTrust)
• An outline of sexual morality (Jonathan Cape, 1922), by Kenneth Ingram (page images at HathiTrust; US access only)
• Plain facts about a great evil (Sociological Fund of the Medical Review of Reviews, 1913), by Christabel Pankhurst (page images at HathiTrust)
• Sex and common sense (G. P. Putnam's sons, 1922), by A. Maude Royden (page images at HathiTrust; US access only)
• Die neue sexualmoral und das geburtenproblem unserer tage (G. Fischer, 1928), by Julius Wolf (page images at HathiTrust; US access only)
• Sexuelle ethik (W. Boelicke, 1908), by Ernst Baars (page images at HathiTrust; US access only)
• Sexualethik und Sexualpädagogik; eine ausein-anderfetzung mit den modernen (Jos. Kösel'he Buchhandlung, 1907), by Friedrich Wilhelm Foerster (page images at HathiTrust; US access only)
• Sexualethik (B.G. Teubner, 1919), by H. E. Timerding (page images at HathiTrust; US access only)
• Schamgefühl, Anstand und Sittlichkeit herkömmlich und natürlich mit besonderer Berücksichtigung der Nacktheit. (Verlag Wahrheit, 1920), by Johannes Guttzeit (page images at HathiTrust; US access only)
• Thurston's philosophy of marriage (Tiffany Press, 1927), by William Robert Thurston (page images at HathiTrust)
• Studies in the psychology of sex. (F.A. Davis, 1900), by Havelock Ellis (page images at HathiTrust)
• Ethics in sex conduct, a manual on youth, sex and marriage. (Association Press, 1948), by Clarence James Leuba (page images at HathiTrust)
• Geschlecht und Charakter; eine prinzipielle Untersuchung. (W.Braumüller, 1907), by Otto Weininger (page images at HathiTrust; US access only)
• La police des mœurs (Librairie de la Société du Recueil Général des Lois et des Arrèts, 1903), by Edouard Dolléans (page images at HathiTrust; US access only)
• Sittengeschichte des Hafens und der Reise : eine Beleuchtung des erotischen Lebens in der Hafenstadt, im Hotel, im Reisevehikel; die Sexualität des Kulturmenschen während des Reises und in fremden Mileau. (Verlag für Kulturforschung, 1927) (page images at HathiTrust; US access only)
• The delights of wisdom concerning conjugial love : After which follow the pleasures of insanity concerning scortatory love (R. & W. Dean, 1811), by Emanuel Swedenborg (page images at HathiTrust)
• Sexuelle ethik. Ein vortrag gehalten am 23. mä̇rz 1906 auf veranlassung des "Neuen vereins" in München (E. Reinhardt, 1908), by Auguste Forel (page images at HathiTrust; US access only)
• Love and morality; an attempt at a physiological interpretation of human thought (A. A. Knopf, 1927), by Jacques Fischer and Catherine Alison Phillips (page images at HathiTrust)
• Mating, marriage, and the status of woman (AMS Press, 1976), by James Corin (page images at HathiTrust; US access only)
• Sexual truths versus sexual lies, misconceptions, and exaggerations (The Critic and guide co., 1919), by William J. Robinson (page images at HathiTrust)
• The science of a new life. (Fowler & Wells, 1869), by John Cowan (page images at HathiTrust)
• Rational sex ethics : a physiological and psychological study of the sex lives of normal men and women, with suggestions for a rational sex hygiene with reference to actual case histories (R. G. Badger ;, 1918), by W. F. Robie (page images at HathiTrust)
• Herself; talks with women concerning themselves (Forbes & company, 1911), by E. B. Lowry (page images at HathiTrust)
• Sexual ethics: a study of borderland questions (Walter Scott, 1914), by Robert Michels (page images at HathiTrust; US access only)
• Companion to Why not? A book for every woman (Lee and Shepard, 1868), by Horatio Robinson Storer and Lee and Shepard (page images at HathiTrust)
• Sane sex life & sane sex living; some things that all sane people ought to know about sex nature and sex functioning; its place in the economy of life, its proper training and righteous exercise (Eugenics publishing co., inc., 1922), by H. W. Long and Gordon Martin (page images at HathiTrust)
• L'educazione morale della gioventu' considerata nei suoi rapporti col sesso (Tipografia Albertini e Comp., 1882), by Elizabeth Blackwell (page images at HathiTrust)
• The unwelcome child; or, The crime of an undesigned and undesired maternity. (Colby & Rich, 1876), by Henry Clarke Wright (page images at HathiTrust)
• La fonction sexuelle au point de vue de l'éthique et de l'hygiène sociales. (Giard & Brière, 1908), by M. le Dr Sicard de Plauzoles (page images at HathiTrust; US access only)
• Lijfsliefde, en de man, de onrijpe, vertaald uit het engelsch (H.J. Poutsma, 1890), by Edward Carpenter and Georgine Maetsuycker (page images at HathiTrust)
• Ueber die geschlechtsliebe in social-ethischer beziehung; ein beitrag zur bevölkerungslehre ... (Wigand, 1879), by Arnold Lindwurm (page images at HathiTrust)
• Secret sins of society (Union publishing company, 1881), by C. E. Rogers (page images at HathiTrust)
• Love's coming-of-age (Stockham Pub. Co., 1904), by Edward Carpenter (page images at HathiTrust)
• The nature of uncleanness consider'd : to which is added a discourse concerning the nature of chastity, and the means of obtaining it (Printed for R. Bonwicke [etc.], 1708), by Jean Frédéric Ostervald (page images at HathiTrust)
• Men, women, and God; a discussion of sex questions from the Christian point of view (George H. Doran company, 1922), by A. Herbert Gray (page images at HathiTrust)
• Limitation of offspring, transmission of character and increase of crime : its causes and remedies scientifically discussed (by the Author, 1893), by N. G. Buckley (page images at HathiTrust)
• Christianity and sex problems (F. A. Davis Company; [etc., etc.], 1916), by Hugh Northcote (page images at HathiTrust)
• From youth into manhood (Young Men's Christian Association Press, 1918), by Winfield Scott Hall (page images at HathiTrust)
• Satan in society (C.F. Vent, 1873), by Nicholas Francis Cooke and Physician (page images at HathiTrust)
• Every boy's book (Abbott Press, 1912), by George F. Butler (page images at HathiTrust)
• Instead of "wild oats", a little book for the youth of eighteen and over (Fleming H. Revell company, 1912), by Winfield Scott Hall (page images at HathiTrust)
• The new Godiva and other studies in social questions. (T. F. Unwin, 1885), by Elizabeth Rachel Chapman (page images at HathiTrust)
• Vorbeugung der sexuellen Genusssucht (sowie der Trunksucht); ein Gebot der Moral, Gesundheit und Menschenliebe auf Grundlage wissenschaftlicher Erfahrungen (A. Schulze, 1901), by Edwardt Frandsen (page images at HathiTrust; US access only)
• Eugenics, marriage and birth control, practical eugenics (The Critic and Guide Co., 1917), by William J. Robinson (page images at HathiTrust)
• Purity and truth (Vir, 1902), by Emma F. Angell Drake (page images at HathiTrust)
• Karezza : ethics of marriage. (R. F. Fenno, 1903), by Alice B. Stockham (page images at HathiTrust)
• Über liebe und ehe : essays (S. Fischer, 1906), by Ellen Key, Marie Franzos, and Francis Maro (page images at HathiTrust; US access only)
• The social duty of our daughters : a mother's talk with mothers and their grown daughters (Vir Pub. Co., 1908), by Adolphe Hoffmann (page images at HathiTrust)
• The delights of wisdom concerning conjugial love : after which follow the pleasures of insanity concerning scortatory love (Printed and Sold by R. Hindmarch, 1794), by Emanuel Swedenborg (page images at HathiTrust)
• Little essays of love and virtue (George H. Doran Company, 1922), by Havelock Ellis (page images at HathiTrust)
• Studies in the psychology of sex (F.A. Davis Co., 1913), by Havelock Ellis (page images at HathiTrust; US access only)
• Die Sittlichkeitsverbrechen im Laufe der Jahrhunderte und ihre strafrechtliche Beurteilung (H. Bermühler, 1904), by Rudolf Quanter (page images at HathiTrust; US access only)
• A mother's letters; a book for young women (P.J. Kenedy and Sons, 1921), by Frank Alexander (page images at HathiTrust)
• Wir jungen männer; das sexuelle problem des gebildeten jungen mannes vor der ehe. (K. R. Langewiesche, 1906), by Hans Wegener (page images at HathiTrust; US access only)
• The delights of wisdom pertaining to conjugial love : after which follow the pleasures of insanity concerning scortatory love (Otis Clapp, 1856), by Emanuel Swedenborg (page images at HathiTrust)
• Deliciae sapientiae de amore conjugiali; post quas sequuntur voluptates insaniae de amore scortatorio (American Swedenborg Printing and pub. Society, 1909), by Emanuel Swedenborg and Samuel Howard Worcester (page images at HathiTrust)
• The delights of wisdom pertaining to conjugial love to which is added the pleasures of insanity pertaining to scortatory love (American Swedenborg Printing and Publishing Society , 1909), by Emanuel Swedenborg (page images at HathiTrust)
• Single standard eugenics (The S. A. Mullikin company, 1914), by Thomas W. Shannon (page images at HathiTrust)
• Das Sexualproblem und die katholische Kirche (Neuer Frankfurter Verlag, 1908), by Josef Leute (page images at HathiTrust; US access only)
• Eulis! : the history of love, its wondrous magic, chemistry, rules, laws, moods and rationale : being the third revelation of soul and sex : also, Reply to "Why is man immortal?", the solution of the Darwin problem, an entirely new theory (Randolph Pub. Co., 1896), by Paschal Beverly Randolph (page images at HathiTrust)
• Kärleken och äktenskapet. (A. Bonnier, 1911), by Ellen Key (page images at HathiTrust; US access only)
• Die sittlichen Grundlagen der Ehe : ein Beitrag zur Begründung einer Sexualethik (Verlegt bei Eugen Diederichs, 1909), by Heinrich Meyer-Benfey (page images at HathiTrust; US access only)
• The biology, physiology and sociology of reproduction, also sexual hygiene : with special reference to the male (Wynnewood Pub. Co., 1912), by Winfield Scott Hall (page images at HathiTrust)
• Der liebes-bazillus erfunden und röntgenstrahlig durchleuchtet ... nebst anhang: Der monismus als völker- und religions-freidens-idee. (Verlag für literatur, kunst und musik, 1911), by Otto ter Narr (page images at HathiTrust; US access only)
• Sexual knowledge; the knowledge of self and sex in simple language: for the instruction of young people, young wives and young husbands, fathers and mothers, teachers and nurses, and all who feel a need of reliable information on the best way and the best time to impart sexual knowledge to boys and girls. (The John C. Winston Company, 1916), by Winfield Scott Hall and Jeannette Winter Hall (page images at HathiTrust)
• Morale sexuelle et pédagogie sexuelle; fondements nouveaux de vieilles vérités ... (Paris, 1913), by Friedrich Wilhelm Foerster (page images at HathiTrust; US access only)
• The objects of marriage (Medical Review of Reviews, 1920), by Havelock Ellis (page images at HathiTrust)
• Himself; talks with men concerning themselves (Forbes & company, 1912), by E. B. Lowry and Richard Jay Lambert (page images at HathiTrust)
• Christianity and sex problems. (Davis, 1907), by Hugh Northcote (page images at HathiTrust)
• Sex and commom-sense (Hurst, 1900), by A. Maude Royden (page images at HathiTrust; US access only)
• Sexual truths versus sexual lies, misconceptions, and exaggerations. (The American Biological Society, 1919), by William J. Robinson (page images at HathiTrust)
• Nosotros los jóvenes : el problema sexual del jóven soltero (Editorial Artigas, 1921), by Hans Wegener (page images at HathiTrust; US access only)
• Die Sexualethik der jüdischen Wiedergeburt : ein Wort an unsere Jugend (Jüdischer Verlag, 1919), by Hans Goslar (page images at HathiTrust; US access only)
• Manhood and marriage (Physical Culture, 1916), by Bernarr Macfadden (page images at HathiTrust)
• The married woman; a practical guide to a happy marriage (Greenberg, 1936), by Gladys Hoagland Groves and Robert Alexander Ross (page images at HathiTrust)
• The man a woman marries; problems in consideration (Minton, Balch & company, 1929), by Victor Cox Pedersen (page images at HathiTrust)
• Love's coming of age (The Modern library publishers, 1911), by Edward Carpenter (page images at HathiTrust)
• Wir jungen männer, das sexuelle problem des gebildeten jungen mannes vor der ehe .... (K.R. Langewiesche, 1917), by Hans Wegener (page images at HathiTrust; US access only)
• Growing up in the world today (Massachusetts society for social hygiene, 1936), by Emily V. Clapp (page images at HathiTrust)
• The relation of the sexes; being the report presented to the Conference on Christian politics, economics and citizenship at Birmingham, April 5-12, 1924. (Published for the conference committee by Longmans, Green and co., 1924), by economics and citizenship. Commission on the relation of the sexes Conference on Christian politics (page images at HathiTrust)
• The question of petting .... (Association press, 1926), by Max Joseph Exner (page images at HathiTrust)
• Foundation of social hygiene ... (The British social hygiene council, Inc., 1926), by Inc British Social Hygiene Council (page images at HathiTrust; US access only)
• The new morality (Charles Scribners' sons, 1933), by George Ernest Newsom (page images at HathiTrust)
• Love's coming of age : a series of papers on the relations of the sexes (Vanguard Press, 1927), by Edward Carpenter (page images at HathiTrust)
• From youth into manhood (Association press, 1929), by Winfield Scott Hall (page images at HathiTrust)
• Bibliography on education in family life, marriage, parenthood, and young people's relationships .... (Federal council of churches; [etc., 1935), by Federal council of churches of Christ in America. Committee on marriage and the home and International Council of Religious Education. Committee on family and parent education (page images at HathiTrust)
• The woman a man marries; an analysis of her double standard (George H. Doran company, 1927), by Victor Cox Pedersen (page images at HathiTrust)
• A bibliography on young people's relationships, marriage and family life .... (Commission on the church and social service, Federal council of the churches of Christ in America, 1932), by Federal Council of the Churches of Christ in America. Commission on the church and social service. Committee on marriage and the home (page images at HathiTrust)
• Men, women and God; a discussion of sex questions from the Christian point of view .... (Association Press, 1926), by Arthur Herbert Gray (page images at HathiTrust)
• What a young man ought to know (Vir ;, 1904), by Sylvanus Stall and Todd A. Herring Collection (Mississippi State University. Libraries) (page images at HathiTrust; US access only)
• What a young husband ought to know (Vir, 1907), by Sylvanus Stall (page images at HathiTrust)
• Delights of wisdom concerning conjugial love : after which follow pleasures of insanity concerning scortatory love (O. Clapp, 1833), by Emanuel Swedenborg and J. Clowes (page images at HathiTrust)
• Delights of wisdom. (Otis Clapp, 1840), by Emanuel Swedenborg (page images at HathiTrust)
• Sex and the church; a sociological, historical, and theological investigation of sex attitudes. (Concordia Pub. House, 1961), by Lutheran Church--Missouri Synod. Family Life Committee and Oscar E. Feucht (page images at HathiTrust)
• Satan in society. (C.F. Vent, 1871), by Nicholas Francis Cooke (page images at HathiTrust)
• The science of a new life. (J. S. Ogilvie, 1869), by John Cowan (page images at HathiTrust)
• Letters on marriage, on the causes of matrimonial infidelity, and on the reciprocal relations of the sexes. (Printed for C. Chapple, 1812) (page images at HathiTrust)
• Christianity and sex problems (F.A. Daviscompany, 1906), by Hugh Northcote (page images at HathiTrust)
• The delights of wisdom pertaining to conjugial love, to which is added the pleasures of insanity pertaining to scortatory love. (American Swedenborg Printing and Publishing Society, 1912), by Emanuel Swedenborg (page images at HathiTrust)
• Clean and strong; a book for young men (United Society of Christian Endeavor, 1909), by Elisha Alonzo King and F. B. Meyer (page images at HathiTrust)
• Sexual knowledge, in plain and simple language; sexology or knowledge of self and sex for both male and female: especially for the instruction of youths and maidens, young wives and young husbands, all fathers and all mothers, school-teachers and nurses, and all others who feel a need of proper and reliable information on sex hygiene, sex problems, and the best way and the best time to impart sexual knowledge to boys and girls about to enter into manhood and womanhood (International Bible house, 1913), by Winfield Scott Hall and Jeannette Winter Hall (page images at HathiTrust)
• Le mariage : étude de socio-biologie et de médecine légale (F. Alcan, 1902), by Georges Auguste Morache (page images at HathiTrust; US access only)
• The rational sex life for men (Association press, 1914), by Max Joseph Exner (page images at HathiTrust)
• O polovom voprosi͡e. (1901), by Leo Tolstoy and V. G. Chertkov (page images at HathiTrust; US access only)
• Looking toward marriage (Allyn and Bacon, 1943), by Roswell H. Johnson, Erma Errickson Pixley, and Helen Randolph (page images at HathiTrust; US access only)
• Search lights on health; light on dark corners; a complete sexual science and a guide to purity and physical manhood. (J. L. Nichols & Co., 1904), by B. G. Jefferis and J. L. Nichols (page images at HathiTrust)
• Building sex into your life. (American Institute of Family Relations, 1944), by Paul Bowman Popenoe (page images at HathiTrust; US access only)
• Die ehe; ihre physiologie, psychologie, hygiene und eugenik; ein biologisches ehebuch (A. Marcus & Weber, 1927), by Max Marcuse (page images at HathiTrust; US access only)
• Das Sexualleben unserer Zeit in seinen Beziehungen zur modernen Kultur (L. Marcus, 1907), by Iwan Bloch (page images at HathiTrust; US access only)
• Our sons (Modern press, 1914), by William Lund Clark (page images at HathiTrust)
• Eulis! : the history of love, its wondrous magic, chemistry, rules, laws, moods and rationale : being the third revelation of soul and sex : also, reply to "Why is man immortal?", the solution of the Darwin problem, an entirely new theory (Health Research, 1961), by Paschal Beverly Randolph (page images at HathiTrust; US access only)
• Love and parentage applied to the improvement of offspring; including important directions and suggestions to lovers and the married concerning the strongest ties and the most sacred and momentous relations of life. (Fowler & Wells, ..., 1846), by O. S. Fowler (page images at HathiTrust)
• Spirit through body. (University Press of Cambridge, 1956), by Richard Bartlett Gregg (page images at HathiTrust; US access only)
• Marriage, its duties and privileges : a book for all husbands and wives (F.H. Revell company, 1901), by Mary Wood-Allen (page images at HathiTrust)
• Conjugial love. (American Swedenborg Printing and Publishing Society, 1915), by Emanuel Swedenborg, Louis Hermann Tafel, and Samuel M. Warren (page images at HathiTrust)
• The book of nature, a full and explicit explanation of all that can or ought to be known of the structure and uses of the organs of life and generation, in man and woman ... To which is added a complete medical treatise upon all diseases of the generative organs. (Hurst, 1875), by Thomas Faulkner (page images at HathiTrust)
• The constitutional right to privacy and regulations affecting the sexual activity of law enforcement employees (Federal Bureau of Investigation, U.S. Dept. of Justice, 1984), by Daniel L. Schofield and United States Federal Bureau of Investigation (page images at HathiTrust)
• What a young girl ought to know. (The Vir publishing company, 1897), by Mary Wood-Allen and Sylvanus Stall (page images at HathiTrust)
• Sex morality : past, present, and future (Critic and Guide Co., 1912), by William J. Robinson (page images at HathiTrust)
• Die revision des taktes; freiheit, persönlichkeit und herrschaft des geistes; praktische philosophie, psychologie und soziologie (R. Voigtländers verlag, 1909), by Hans von Gersdorff (page images at HathiTrust; US access only)
• The royal road to hell. (Jennie I. Keith, 1911), by Melville Cox Keith (page images at HathiTrust)
• Sex searchlights and sane sex ethics : an anthology of sex knowledge (Science Pub. Co., 1922), by Lee Alexander Stone (page images at HathiTrust)
• Conjugal love (John Allen, 1833), by Emanuel Swedenborg (page images at HathiTrust)
• Delights of wisdom concerning conjugial love: after which follow Pleasures of insanity concerning scortatory love (General Convention of the New Jerusalem Church in the United States, 1860), by Emanuel Swedenborg, T. B. Hayward, Theophilus Parsons, and Warren Goddard (page images at HathiTrust)
• Vishetens förnöjelser angående äktenskapliga kärleken hvarefter följa galenskapens välluster angående horiska kärleken. Från latinska urskriften af år 1768 öfversatt af C.J.N. Manby. (Nykrykliga bokförlaget, 1895), by Emanuel Swedenborg (page images at HathiTrust)
• Satan in society (E.F. Hovey, 1880), by Nicholas Francis Cooke (page images at HathiTrust)
• Conjugial love and its chaste delights; also, Adulterous love and its sinful pleasures. (American Swedenborg Printing and Publishing Society, 1856), by Emanuel Swedenborg and Henry Butter (page images at HathiTrust)
• The unwelcome child; or, The crime of an undesigned and undesired maternity. (B. Marsh, 1860), by Henry Clarke Wright (page images at HathiTrust)
• Why not? a book for every woman (Lee and Shepard, 1867), by Horatio Robinson Storer (page images at HathiTrust)
• The sexual life of our time in its relation to modern civilization (Allied Book, 1912), by Iwan Bloch and Eden Paul (page images at HathiTrust)
• Marriage a lifelong honeymoon : life's greatest pleasures secured by observing the highest human instincts (Physical Culture Publishing Co., 1903), by Bernarr Macfadden (page images at HathiTrust; US access only)
• Sexualpädagogik in den Oberklassen höherer Lehranstalten (L. Voss, 1909), by P. Groebel (page images at HathiTrust; US access only)
• Sexualethik und Sexualpädagogik; eine neue Begründung alter Wahrheiten (J. Kösel'sche Buchhandlung, 1910), by Friedrich Wilhelm Foerster (page images at HathiTrust; US access only)
• Sexualfragen (W. Klinkhardt, 1909), by Edward Westermarck and Leopold Katscher (page images at HathiTrust; US access only)
• Heredity and morals as affected by the use and abuse of the sexual instinct : essentials to the welfare of the individual and the future of the race (E.B. Treat, 1908), by James Foster Scott (page images at HathiTrust)
• Sex & character (AMS Press, 1975), by Otto Weininger (page images at HathiTrust)
• Keeping fit (for boys) (Indiana State Board of Health, 1941), by United States Public Health Service and Indiana State Board of Health. Bureau of Venereal Diseases (page images at HathiTrust; US access only)
• Výchova k manželství: co musí mladé dívky o manželství věděti; kniha dívek, nevěst a mladých paní. (B. Melichar, 1910), by Reinhold Gerling (page images at HathiTrust; US access only)
• Married life and happiness; or, Love and comfort in marriage ... (Eugenics Pub. Co., 1922), by William J. Robinson (page images at HathiTrust)
• Die freie Liebe und ihre Bedeutung im Rechtsleben der Jahrhunderte. Eine Kulturhistorische Studie. (Leipziger Verlag, 1906), by Rudolf Quanter (page images at HathiTrust; US access only)
• Das Sexualleben unserer Zeit in seinen Beziehungen zur modernen Kultur. (L. Marcus, 1907), by Iwan Bloch (page images at HathiTrust)
• Facts for the married (E. J. Clode, 1912), by William Lee Howard (page images at HathiTrust)
• L'indiscipline des moeurs; étude de science sociale. (Bloud et Gay, 1921), by Paul Bureau (page images at HathiTrust; US access only)
• Conjugal love ([n.p., 1800), by Emanuel Swedenborg (page images at HathiTrust; US access only)
• Christianity and sex problems. (AMS Press, 1974), by Hugh Northcote (page images at HathiTrust)
• Love's coming-of-age (C.H. Kerr, 1902), by Edward Carpenter (page images at HathiTrust)
• The sexual life / a scientific treatise designed for advanced students and the professions : embracing the natural sexual impulse, normal sexual habits and propagation, together with sexual physiology and hygiene (C.V. Mosby, 1914), by C. W. Malchow (page images at HathiTrust)
• Our worship of primitive social guesses (Fair play publishing company, 1899), by Edwin C. Walker (page images at HathiTrust)
• What a father should tell his little boy (The Bodmer company, 1911), by Isabelle Thompson Smart (page images at HathiTrust)
• Purity, birth and sexual problems for mothers (Purity publishing company, 1908), by Florence Evans (page images at HathiTrust)
• Satan in society (C.F. Vent ;, 1874), by Nicholas Francis Cooke (page images at HathiTrust)
• Sex conduct in marriage (the art of maintaining love and happiness in marriage) (Health and life publications, 1922), by Bernard Bernard (page images at HathiTrust)
• Principles of regeneration (Berry Pub. Co., 1920), by Arthur Gould and Franklin L. Du Bois (page images at HathiTrust)
• Ethics of marriage (R. F. Fenno and Company, 1896), by Alice B. Stockham (page images at HathiTrust)
• 79. (The Vir publishing company, 1897), by Sylvanus Stall (page images at HathiTrust)
• Continence and sexual hygiene : a Hindu view on practical sex education (originally published in the Columbus Medical Journal) (Pramatha Nath Dey?], 1910), by Pramatha Nath Dey (page images at HathiTrust)
• Défends ta femme contre la tentation. (Êditions Nilsson, 1900), by Marie Anne de Bovet (page images at HathiTrust; US access only)
• Rational sex ethics; a physiological and psychological study of the sex lives of normal men and women, with suggestions for a rational sex hygiene (356 p., 1918), by W. F. Robie (page images at HathiTrust)
• The biology, physiology and sociology of reproduction, also sexual hygiene, with special reference to the male. (H. A. Ray, 1906), by Winfield Scott Hall (page images at HathiTrust)
• Geheimnisse der geschlechtlichen Fortpflanzung (Buchdr. Société typographique, 1895), by Pierre Coullery (page images at HathiTrust)
• Himself : talks with men concerning themselves (Forbes & Company, 1914), by E. B. Lowry and Richard J. Lambert (page images at HathiTrust)
• Confidential talks with young women (F. H. Revell, 1894), by Lyman B. Sperry (page images at HathiTrust)
• Dollars and devils (Standard Book House, 1903), by Robert Seth McCallen (page images at HathiTrust)
• Private lectures to mothers and daughters on sexual purity : including love, courtship, marriage, sexual physiology, and the evil effects of tight lacing (Gospel Trumpet Company, 1904), by D. O. Teasley (page images at HathiTrust)
• Sex and character (A. L. Burt, 1906), by Otto Weininger (page images at HathiTrust)
• Secret sins of society (Lake City Publishing Co., 1882), by M. Jewett (page images at HathiTrust)
• Science of human life from infancy to old age (Good Health Pub. Co., 1910), by John Harvey Kellogg (page images at HathiTrust)
• The delights of wisdom pertaining to conjugial love; after which follow the pleasures of insanity pertaining to scortatory love (The American Swedenborg printing and publishing society, 1909), by Emanuel Swedenborg, Louis Hermann Tafel, and Samuel M. Warren (page images at HathiTrust)
• Love's coming-of-age; a series of papers on the relations of the sexes. (G. Allen and Unwin, 1915), by Edward Carpenter (page images at HathiTrust)
• A liberal code of sexual ethics (Critic and Guide Co., 1922), by E. S. S. and E. S. S. (page images at HathiTrust)
• Svobodnai︠a︡ li︠u︡bov (University Microfilms International, 1978), by M. Elet︠s︡kiĭ (page images at HathiTrust; US access only)
• Sweethearts for life, or, marriage idealized : life's greatest pleasures secured by observing the highest human instincts (Physical culture publishing co., 1903), by Bernarr Macfadden (page images at HathiTrust; US access only)
• Polovai︠a︡ zhiznʹ nashego vremeni i ei︠a︡ otnoshenīi︠a︡ k sovremennoĭ kulʹturi︠e︡ : Perevod s 4/6 ni︠e︡met︠s︡kago izdanīi︠a︡ N.A. Aleksi︠e︡eva. (Pushkinskai︠a︡ skoropechat, 1909), by Iwan Bloch (page images at HathiTrust; US access only)
• Das wichtigste für eltern, schullehrer und aufseher der jugend, also auch und besonders für seelsorger ... (J. Lentner, 1837), by Aegidius Jais (page images at HathiTrust)
• Sex & character (W. Heinemann ;, 1908), by Otto Weininger (page images at HathiTrust; US access only)
• The new man : the secret of power, and twentieth century problems. (Riddell Pub. Co., 1909), by Newton N. Riddell (page images at HathiTrust)
• Vertraute briefe über die ehe : Ein hochzeitsgeschenk für denkende männer ... (J.F. Korn der ältere, 1833), by Friedrich Richter (page images at HathiTrust)
• Golden thoughts on chastity and procreation : including heredity, prenatal influences, etc., etc. (W. H. Ferguson, 1904), by John William Gibson, William John Truitt, and John William Gibson (page images at HathiTrust)
• Moechialogie : ou, Traité des péchés contre les sixième et neuvième commandements du décalogue. (Poussielgue-Rusand, 1845), by P. J. C. Debreyne (page images at HathiTrust)
• Creative and sexual science : or, Manhood, womanhood, and their mutual interrelations, love, its laws, power, etc. ... (s.n., 1870), by O. S. Fowler (page images at HathiTrust)
• Di geshlechts-frage. (Ferlag zelbstbildis, 1920), by Auguste Forel (page images at HathiTrust; US access only)
• Essays in medical sociology (E. Bell, 1902), by Elizabeth Blackwell (page images at HathiTrust)
• Social purity a lecture delivered before the University of Toronto Young Men's Christian Assocation, December 10th, 1891 (Social Purity Committee of the University of Toronto Y.M. C. A., 1891), by John Ferguson and Young Men's Christian Association (University of Toronto) (page images at HathiTrust)
• The sexual organs, their use and abuse the subject upon which men and women know the least, yet ought to know the most : guide to man (J.E.H. Hett, 1899), by J. E. Heller Hett (page images at HathiTrust)
• The Ladies book of useful information compiled from many sources. (s.n.], 1896) (page images at HathiTrust)
• Search lights on health, light on dark corners a complete sexual science and a guide to purity and physical manhood, advice to maiden, wife and mother, love, courtship and marriage (J.L. Nichols, 1894), by B. G. Jefferis and J. L. Nichols (page images at HathiTrust)
• The life of the home and nation (J.L. Nichols, 1903), by J. W. Gibson, W. J. Truitt, and J. W. Gibson (page images at HathiTrust; US access only)
• Peut-on être heureux sans se marier? (s.n., in the 19th century), by Victorien de Saussy (page images at HathiTrust; US access only)
• From youth into manhood (Young men's Christian Association Press, 1909), by Winfield Scott Hall (page images at HathiTrust)
• Geschlecht und Charakter; eine prinzipielle Untersuchung. (W.Braumüller, 1904), by Otto Weininger (page images at HathiTrust; US access only)
• Man--woman; or, The temple, the hearth, the street. (Philadelphia, New York, 1873), by Alexandre Dumas and George Vandenhoff (page images at HathiTrust)
• Love's coming-of-age; a series of papers on the relations of the sexes. (Labour Press, 1896), by Edward Carpenter (page images at HathiTrust)
• The new morality (Watts, 1902), by Walter M. Gallichan (page images at HathiTrust)
• Dr. Foote's replies to the Alphites, giving some cogent reasons for believing that sexual continence is not conducive to health ... (Murray Hill Publishing Company, 1889), by Edward B. Foote (page images at HathiTrust)
• Confidential talks with young men. (F. H. Revell, 1892), by Lyman Beecher Sperry (page images at HathiTrust)
• Karezza : ethics of marriage (Progress Co., 1903), by Alice B. Stockham (page images at HathiTrust)
• The Truth about love; a proposed sexual morality based upon the doctrine of evolution, and recent discoveries in medical science. (Wesley, 1872), by Benno Loewy (page images at HathiTrust)
• The American boy and the social evil, from a physician's standpoint (The J.C. Winston company, 1905), by Robert N. Willson (page images at HathiTrust)
• Perfect men, women, and children. (E.W. Austin, 1880), by O. S. Fowler (page images at HathiTrust)
• The biology, physiology and sociology of reproduction, also sexual hygiene, with special reference to the male. (Wynnewood publishing co., 1918), by Winfield Scott Hall (page images at HathiTrust)
• The sexual life of our time in its relation to modern civilization (Rebman Company, 1914), by Iwan Bloch and Eden Paul (page images at HathiTrust)
• Het Nieuw-Malthusianisme en de Christelijke zedeleer ... (A.J. v. Huffel, 1901), by Johan Lammerts van Bueren (page images at HathiTrust; US access only)
• Love's coming of age : a series of papers on the relations of the sexes (Charles H. Kerr & Co., 1912), by Edward Carpenter (page images at HathiTrust)
• Wenn die Menschen reif zur Liebe werden : eine Reihe von Aufsätzen über das Verhältnis der beiden Geschlechter (H. Seemann, 1902), by Edward Carpenter (page images at HathiTrust; US access only)
• Herself; talks with women concerning themselves. (Forbes, 1920), by E. B. Lowry (page images at HathiTrust)
• The delights of wisdom pertaining to marriage love : after which follow the pleasures of insanity pertaining to scortatory love (Houghton, Mifflin and co., 1907), by Emanuel Swedenborg and Samuel M. Warren (page images at HathiTrust)
• Exposé des dispositions pénales concernant les délits contre les moeurs dans divers pays (Typ. de J. Bjørnstad, 1891), by Anders Færden (page images at HathiTrust)
• Das sexuelle Leben der Naturvölker (Th. Grieben's Verlag, 1902), by Josef Müller (page images at HathiTrust)
• Ueber die Geschlechtsliebe in social-ethischer Beziehung ein Beitrag zur Bevölkerungslehre (O. Wigand, 1879), by Arnold Lindwurm (page images at HathiTrust)
• Almost a woman (Arthur H. Crist Co., 1910), by Mary Wood-Allen (page images at HathiTrust)
• Analysis of the sexual impulse, love and pain, the sexual impulse in women (F.A. Davis Co., 1903), by Havelock Ellis (page images at HathiTrust)
• Sexual problems of today (Critic and Guide Co., 1912), by William J. Robinson (page images at HathiTrust)
• Christianity and sex problems (F. A. Davis Company, 1920), by Hugh Northcote (page images at HathiTrust)
• Satan in society. (C.F. Vent, 1890), by Nicholas Francis Cooke and Milwaukee Academy of Medicine. Book Collection (page images at HathiTrust)
• Sexual selection in man (F. A. Davis, 1905), by Havelock Ellis (page images at HathiTrust; US access only)
• Sexual ethics (The New Age Press, 1908), by Auguste Forel (page images at HathiTrust; US access only)
• Build well; the basis of individual, home, and national elevation; plain truths relating to the obligations of marriage and parentage (Lothrop publishing company, 1885), by Cordelia Agnes Greene (page images at HathiTrust)
• In health (The author, 1877), by A. J. Ingersoll (page images at HathiTrust)
• Sex and life : a message to undergraduate men (Association, 1919), by Thomas Walton Galloway (page images at HathiTrust)
• Seṛayin aṛoghjabanutʻiwn (Hratarakutʻiwn I.A. Eran, 1911), by Pōghos Tʻorosean (page images at HathiTrust)
• Sexuelle Ethik : ein Vortrag gehalten am 23. März 1906 auf Veranlassung des Neuen Vereins in München (Reinhardt, 1906), by Auguste Forel (page images at HathiTrust; US access only)
• Safe counsel. (J. L. Nichols, 1920), by B. G. Jefferis and J. L. Nichols (page images at HathiTrust)
• Never told stories : how girls are deceived (Advanced Thought Pub. Co., 1918), by Robert B. Armitage (page images at HathiTrust)
• Build well : the basis of individual, home, and national elevation : plain truths relating to the obligations of marriage and parentage (Lothrop Pub. Co., 1885), by Cordelia Agnes Greene (page images at HathiTrust)
• Follies of modern society. (R.E. Whitman, 1897), by Norman Morand Roumane, Wilbur F. Crafts, and Russell H. Conwell (page images at HathiTrust)
• Plain facts for old and young (I.F. Segner, 1882), by John Harvey Kellogg (page images at HathiTrust)
• An exposition of "social freedom." Monogamic marriage the highest development of sexual equality. (The author, 1875), by Aaron S. Hayward (page images at HathiTrust)
• Child-confidence rewarded (Arthur H. Crist, 1913), by Mary Wood-Allen (page images at HathiTrust)
• Married love : or, Love in marriage (Truth Pub. Co., 1921), by Marie Carmichael Stopes and William J. Robinson (page images at HathiTrust)
• Conjugal lewdness : or, Matrimonial whoredom. (Printed for T. Warner, 1965), by Daniel Defoe (page images at HathiTrust; US access only)
• Studies in the psychology of sex (F. A. Davis, 1913), by Havelock Ellis (page images at HathiTrust)
• Rational sex ethics, further investigations; a more intensive study of sex histories, case histories, and dreams with therapeutic suggestions, and philosophical deductions (R. G. Badger, 1919), by W. F. Robie (page images at HathiTrust)
• The conjugal relationships as regards personal health and heredity well-being, practically treated (Morison ;, 1892), by Augustus K. Gardner (page images at HathiTrust)
• Plain points on personal purity; or, Startling sins of the sterner sex. A book for men only. (Columbian Book Co., 1892), by Geo. F. Hall (page images at HathiTrust)
• Das sexuelle Problem und seine moderne Krise : nebst den Grundlagen zu einer Sexualreform der Zukunft und zur wahren Lösung der wichtigsten Lebensfrage (M. Kupferschmid, 1910), by E. Mertens (page images at HathiTrust; US access only)
• What a young woman ought to know. (Vir, 1905), by Mary Wood-Allen (page images at HathiTrust)
• Matrimonio, adulterio, divorcio. (Zaragozano y Jaime, 1873), by Alexandre Dumas, Vicente Guimera , and Emile de Girardin (page images at HathiTrust)
• Safe counsel (J.L. Nichols, 1898), by B. G. Jefferis and J. L. Nichols (page images at HathiTrust)
• Herself : talks with women concerning themselves (Forbes, 1919), by E. B. Lowry (page images at HathiTrust)
• Sexual problems of to-day (Critic and Guide Co., 1916), by William J. Robinson (page images at HathiTrust)
• The sexes here and hereafter (J. Speirs, 1884), by William H. Holcombe (page images at HathiTrust)
• Love's coming-of-age; a series of papers on the relations of the sexes (Sonnenschein, 1897), by Edward Carpenter (page images at HathiTrust)
• Almost a man. (Crist, Scott & Parshall, 1907), by Mary Wood-Allen (page images at HathiTrust)
• Dr. Bate's true marriage guide : a treatise for the married and marriageable, both male and female, containing information and salutary hints for everyone (F.E. Bate, 1889), by J. W. Bate and Sallie Bingham Center for Women's History and Culture (page images at HathiTrust)
• The science of life, or, Self-preservation : a medical treatise on nervous and physical debility, spermatorrh a, impotence, and sterility, with practical observations on the treatment of diseases of the generative organs (Published by authority of the Peabody Medical Institute, 1881), by Albert Hamilton Hayes and Peabody Medical Institute (page images at HathiTrust)
• Golden thoughts on chastity and procreation : including heredity, prenatal influences, etc., etc. : sensible hints and wholesome advice for maiden and young man, wife and husband, mother and father (Naperville, Ill. : J.L. Nichols, [1903], 1903), by J. W. Gibson, W. J. Truitt, and J. W. Gibson (page images at HathiTrust)
• Sexual problems of to-day (The Race betterment league, 1916), by William J. Robinson (page images at HathiTrust)
• Little essays of love and virtue (Doubleday, Doran & company inc., 1922), by Havelock Ellis (page images at HathiTrust)
• The sexual life, embracing the natural sexual impulse, normal sexual habits and propagation, together with sexual physiology and hygiene (C.V. Mosby company, 1915), by C. W. Malchow (page images at HathiTrust)
• Sexual ethics : a study of borderland questions (G. Allen & Unwin ;, 1914), by Robert Michels (page images at HathiTrust; US access only)
• Love and ethics. (G.P. Putnam's Sons;, 1912), by Ellen Karolina Sofia Key (page images at HathiTrust; US access only)
• The sexual instinct; its use and dangers as affecting heredity and morals. Essentials to the welfare of the individual and the future of the race. (E. B. Treat & company, 1908), by James Foster Scott (page images at HathiTrust)
• Chastity, its physical, intellectual, and moral advantages. (M. L. Holbrook & co.; [etc., etc., 1894), by M. L. Holbrook (page images at HathiTrust)
• The American boy and the social evil, from a physician's standpoint (The J.C. Winston company, 1905), by Robert N. Willson (page images at HathiTrust)
• Studies in the psychology of sex (F.A. Davis, 1902), by Havelock Ellis (page images at HathiTrust)
• Geschlechtsleben und Gesellschaft, das sexuelle Problem und der soziale Fortschrift (O. Rippel, 1910), by Hans Wegener (page images at HathiTrust; US access only)
• L'homme qui sait; étude triangologique (E. Dentu, 1872), by Jean Marie Jules Cournier (page images at HathiTrust)
• Leaflet literature (Word Office, 1880), by Angela T. Heywood (page images at HathiTrust)
• Science of immorality (W.H. Boyd, 1878), by Mary Edwards Walker and History of Medicine Collections (Duke University) (page images at HathiTrust)
• Man's sex life (Macfadden Book Co., 1935), by Bernarr Macfadden (page images at HathiTrust; US access only)
• Our morality and the moral question : chiefly from the medical side (Churchill ;, 1893), by Lionel S. Beale (page images at HathiTrust)
• Das Sexualleben unserer Zeit in seinen Beziehungen zur modernen Kultur. (Louis Marcus Verlagsbuchhandlung, 1909), by Iwan Bloch (page images at HathiTrust; US access only)
• The relations of the sexes (The Free Age Press, 1908), by Leo Tolstoy and V. G. Chertkov (page images at HathiTrust; US access only)
• Love's coming-of-age : a series of papers on the relations of the sexes (Swan, Sonnenschein & Co., ltd. ;, 1906), by Edward Carpenter (page images at HathiTrust)
• Christianity and sex problems. (Davis, 1907), by Hugh Northcote (page images at HathiTrust; US access only)
• Die Leibe der Zukunft (Klinkhardt, 1919), by Helene Stöcker (page images at HathiTrust; US access only)
• Fit to be tied; an approach to sex education and Christian marriage (Seabury Press, 1960), by Charles Edward Batten and Donald Emerson McLean (page images at HathiTrust; US access only)
• El arduo problema : conferencia (Tall. Gráf. "Progreso", 1917), by Elena A. De Lucifero (page images at HathiTrust; US access only)
• Safe counsel, or, Practical eugenics (J.L. Nichols, 1926), by B. G. Jefferis, James Lawrence Nichols, Emma F. Angell Drake, Ozora Stearns Davis, and J. L. Nichols (page images at HathiTrust)
• Manhood and marriage (Macfadden Publications, Inc., 1924), by Bernarr Macfadden (page images at HathiTrust)
• Love's coming-of-age (Methuen, 1916), by Edward Carpenter (page images at HathiTrust; US access only)
• The relations of the sexes (Wood & Holbrook, 1898), by E. B. Duffey (page images at HathiTrust)
• Zur Sittlichkeitsfrage / Mädchenhandel / Gründung von Jugengruppen (Verlag des jüdischen Frauenbundes, 1907), by Bertha Pappenheim, Sidonie Werner, and Ella Seligmann (page images at HathiTrust; US access only)
• "Palaces of sin"; or, "The devil in society" ... a history of "society's sins" that appall the civilized world ... (National Book Concern, 1902), by Robert Seth McCallen (page images at HathiTrust)
• Sex conduct in marriage (the art of maintaining love and happiness in marriage) ... (Health and lifepublications, 1926), by Bernard Bernard (page images at HathiTrust)
• Das Wesen der Geschlechtlichkeit : die sexielle Krise in ihren Beziehungen zur sozialen Frage & sum Krieg & zu Moral, Rasse & Religion & insbesindere zur Morogamie (E. Diederichs, 1917), by Grete Meisel-Hess (page images at HathiTrust; US access only)
• Self-restraint v. self-indulgence (Navajivan Pub. House, 1928), by Mahatma Gandhi (page images at HathiTrust; US access only)
• Die sexuelle krise ; eine sozialpsychologische untersuchung. (E. Diederichs, 1909), by Grete Meisel-Hess (page images at HathiTrust; US access only)
• Safe counsel, or, Practical eugenics (The Southwestern Company, 1925), by B. G. Jefferis, Edward Spear, J. W. Collins, Emma F. Angell Drake, Ozora Stearns Davis, and J. L. Nichols (page images at HathiTrust)
• Safe counsel; or, Practical eugenics (Franklin Pub. Co., 1928), by B. G. Jefferis, J. L. Nichols, Emma Frances Angell Drake, Ozora Stearns Davis, and J. L. Nichols (page images at HathiTrust)
• The torch of life : a key to sex harmony (Eugenics Pub. Co., 1935), by Frederick M. Rossiter (page images at HathiTrust; US access only)
• Humanics (The Index Printing Co., 1923), by Roy Burnell Mowry (page images at HathiTrust)
• A complete book of sex knowledge (Health and Life Publications, 1925), by Bernard Bernard (page images at HathiTrust)
• Love and ethics (The Ralph Fletcher Seymour Co., Fine Arts Building, 1912), by Ellen Key, Frank Lloyd Wright, and Mamah Bouton Borthwick (page images at HathiTrust)
• Love's coming of age (C. H. Kerr, 1905), by Edward Carpenter (page images at HathiTrust)
• Conjugal sins against the laws of life and health, and their effects upon the father, mother and child (G.J.Moulton, 1874), by Augustus K. Gardner (page images at HathiTrust)
• Why not? : a book for every woman (Lee and Shepard, 1871), by Horatio Robinson Storer and American Medical Association (page images at HathiTrust)
• Plain facts for old and young (I.F. Segner, 1884), by John Harvey Kellogg (page images at HathiTrust)
• If I were a girl. What is truth? or, Pilate's query answered. Juvenile delinquency preventive. American patriotic handbook. Guide to Scripture. (American Book Press, 1950), by Robert Newton Wilson and Harry Ivan Davidson (page images at HathiTrust; US access only)
• Petting, wise or otherwise? (Association Press, 1942), by Edwin Leavitt Clarke (page images at HathiTrust; US access only)
• The immoral effects of ignorance in sex relations; a lecture. (Women's Freedom League], 1911), by Laurence Housman (page images at HathiTrust; US access only)
• Looking toward marriage (Allyn and Bacon, 1948), by Roswell Hill Johnson, Erma Errickson Pixley, and Helen Randolph (page images at HathiTrust; US access only)
• Seṛayin aṛoghjabanutʻiwn : patkerazard (880-04 Pōstʻěn : Hratarakutʻiwn I.A. Eran, [1916], 1916), by Pōghos Tʻorosean (page images at HathiTrust)
• The doctor discusses morals. (William-Frederick Press, 1946), by Winfield Scott Pugh (page images at HathiTrust; US access only)
• Prichina vi︠e︡chnoĭ raspri mezhdu muzhchinoĭ i zhenshchinoĭ (Tip. D.N. Kornatovskago, 1901), by N. A. Lukhmanova (page images at HathiTrust; US access only)
• Geschlecht und charakter; eine prinzipielle untersuchung (W. Braumüller, 1903), by Otto Weininger (page images at HathiTrust; US access only)
• Save the girls. (M. Long, 1888), by Mason Long (page images at HathiTrust)
• Vital facts of life : a Christian view of sex and life (Concordia Pub. House, 1949), by Carl H. Harman and E. W. Marquardt (page images at HathiTrust; US access only)
• Geschlecht und charakter; eine prinzipielle untersuchung (W. Braumüller, 1925), by Otto Weininger (page images at HathiTrust; US access only)
• Geschlecht und Charakter; eine prinzipielle Untersuchung (Braumüller, 1906), by Otto Weininger (page images at HathiTrust; US access only)
• Geschlecht und Charakter : eine prinzipielle Untersuchung (Gustav Kiepenheuer ;, 1932), by Otto Weininger (page images at HathiTrust; US access only)
• The sexual life, embracing the natural sexual impulse, normal sexual habits and propagation, together with sexual physiology and hygiene (C. V. Mosby company, 1928), by C. W. Malchow (page images at HathiTrust)
• The sexual life, embracing the natural sexual impulse, normal sexual habits and propagation, together with sexual physiology and hygiene (C. V. Mosby, 1982), by C. W. Malchow (page images at HathiTrust; US access only)
• Le droit à l'amour pour la femme (Vigot, 1919), by Michel Bourgas (page images at HathiTrust; US access only)
• Hidden truths (The Christopher publishing house, 1940), by Emil Emanuel Berger (page images at HathiTrust; US access only)
• Essais sur l'amour. (Ollendorff, 1912), by Camille Mauclair (page images at HathiTrust; US access only)
• The Christian view of sexual behavior; a reaction to the Kinsey report. (Seabury Press, 1954), by W. Norman Pittenger and Alfred C. Kinsey (page images at HathiTrust; US access only)
• Les livres secrets des confesseurs : dévoilés aux pères de familie : cet édition scrupuleusement conforme aux textes originaux des traités de luxure en usage dans les séminaires est faíte (Librairie Anti-clericale, 1884), by Léo Taxil and Julio Mario Santo Domingo Collection (page images at HathiTrust)
• Delights of wisdom concerning conjugial love : after which follow pleasures of insanity concerning scortatory love (H. Harrington Carter & Co. and Otis Clapp, 1843), by Emanuel Swedenborg (page images at HathiTrust)
• Campaigns of peace. (Dangerfield printing company, ltd., 1919), by National Council of Public Morals For Great And Greater Britain (page images at HathiTrust; US access only)
• Die Sittlichkeitsverbrechen im Laufe der Jahrhunderte und ihre strafrechtliche Beurteilung (H. Bermühler, 1911), by Rudolf Quanter (page images at HathiTrust; US access only)
• Social purity: an address : delivered at Battle Creek, Mich. ... Nov. 28, 1886 (Health Pub. Co., 1887), by John Harvey Kellogg (page images at HathiTrust)
• Plain facts for old and young : embracing the natural history and hygiene of organic life (I.F. Segner, 1891), by John Harvey Kellogg (page images at HathiTrust)
• Love's coming of age (Methuen, 1914), by Edward Carpenter (page images at HathiTrust; US access only)
• Social hygiene. (New York, 1912), by Havelock Ellis, James Wilson Bright, and James Wilson Bright Collection (page images at HathiTrust)
• The established points in social hygiene education (American Social Hygiene Association, 1924), by Maurice A. Bigelow and American Social Hygiene Association (page images at HathiTrust; US access only)
• The sexual life of our time in its relations to modern civilization (Allied Book Co., 1926), by Iwan Bloch and Eden Paul (page images at HathiTrust)
• Conjugal love and its chaste delights : also, Adulterous love and its sinful pleasures (New York : American Swedenborg Printing and Publishing Society, 1871., 1871), by Emanuel Swedenborg (page images at HathiTrust)
• Woman's sex life (Macfadden book company, Inc., 1935), by Bernarr Macfadden (page images at HathiTrust; US access only)
• Dust or diamonds; "domestic tranquility". (Printed by the Metropolitan Press, 1932), by James Daniel Benner (page images at HathiTrust; US access only)
• Womanhood and marriage (Macfadden Publications, Inc., 1923), by Bernarr Macfadden (page images at HathiTrust)
• Sexual ethics, by Auguste Forel, trans. by Ashley Dukes, contrib. by C. W. Saleeby (Gutenberg ebook)
• The unwelcome child : Or, The crime of an undesigned and undesired maternity, by Henry Clarke Wright (Gutenberg ebook)
• Is it I? A book for every man., by Horatio Robinson Storer (Gutenberg ebook)
• Essays in medical sociology, Volume 2 (of 2), by Elizabeth Blackwell (Gutenberg ebook)
• Essays in medical sociology, Volume 1 (of 2), by Elizabeth Blackwell (Gutenberg ebook)
• Child Life and Sex Hygiene: A Remarkable Message, by Otterbein Oscar Smith (Gutenberg ebook)
• Why not? A book for every woman, by Horatio Robinson Storer (Gutenberg ebook)
• Love's Coming-of-Age: A series of papers on the relations of the sexes, by Edward Carpenter (Gutenberg ebook)
• Sex & Character: Authorised Translation from the Sixth German Edition, by Otto Weininger (Gutenberg ebook)
• Al mia fratineto: Letero pri la seksvivo (in Esperanto), by Felix Ortt, trans. by A. Muller (Gutenberg ebook)
• The Sexual Life of Our Time in Its Relations to Modern Civilization: Translated from the Sixth German Edition, by Iwan Bloch, trans. by Eden Paul (Gutenberg ebook)
• Sexual Life of Primitive People, by Hans Fehlinger, trans. by Fanny Segaller Herbert and S. Herbert (Gutenberg ebook)
• Some Phases of Sexual Morality and Church Discipline in Colonial New England, by Charles Francis Adams (Gutenberg ebook)
• An Outline of Sexual Morality, by Kenneth Ingram (Gutenberg ebook)
• What a Young Husband Ought to Know, by Sylvanus Stall (Gutenberg ebook)
• Almost a Woman, by Mary Wood-Allen (Gutenberg ebook)
• Plain Talks on Avoided Subjects, by Henry N. Guernsey (Gutenberg ebook)
• Almost A Man, by Mary Wood-Allen (Gutenberg ebook)
• What a Young Woman Ought to Know, by Mary Wood-Allen (Gutenberg ebook)
• Women As Sex Vendors: Or, Why Women Are Conservative (Being a View of the Economic Status of Woman), by R. B. Tobias and Mary Marcy (Gutenberg ebook)
• Love—Marriage—Birth Control: Being a Speech delivered at the Church Congress at Birmingham, October, 1921, by Bertrand Edward Dawson Dawson (Gutenberg ebook)
• The Ladies Book of Useful Information: Compiled from many sources (Gutenberg ebook)
• Searchlights on Health: Light on Dark Corners: A Complete Sexual Science and a Guide to Purity and Physical Manhood, Advice To Maiden, Wife, And Mother, Love, Courtship, And Marriage, by B. G. Jefferis and J. L. Nichols (Gutenberg ebook)
• The Task of Social Hygiene, by Havelock Ellis (Gutenberg ebook)
• Plain Facts for Old and Young, by John Harvey Kellogg (Gutenberg ebook)
• Herself: Talks with Women Concerning Themselves, by E. B. Lowry (Gutenberg ebook)
• Venere ed Imene al tribunale della penitenza: manuale dei confessori (in Italian), by J. B. Bouvier, trans. by Osvaldo Gnocchi-Viani (Gutenberg ebook)
• The Power of Womanhood, or Mothers and Sons: A Book For Parents, And Those In Loco Parentis, by Ellice Hopkins (Gutenberg ebook)
• Little Essays of Love and Virtue, by Havelock Ellis (Gutenberg ebook)
• Youth and Sex: Dangers and Safeguards for Girls and Boys, by Mary Scharlieb and Frederick Arthur Sibly (Gutenberg ebook)
• Searchlights on Health: The Science of Eugenics, by B. G. Jefferis and J. L. Nichols (Gutenberg ebook)
• Sane Sex Life and Sane Sex Living: Some Things That All Sane People Ought to Know About Sex Nature and Sex Functioning; Its Place in the Economy of Life, Its Proper Training and Righteous Exercise, by H. W. Long (Gutenberg ebook)
• Sex and Common-Sense, by A. Maude Royden (Gutenberg ebook)
• The Delights of Wisdom Pertaining to Conjugial Love: To Which is Added The Pleasures of Insanity Pertaining To Scortatory Love, by Emanuel Swedenborg (Gutenberg ebook)
• A letter of advice to a friend upon the modern argument of the lawfulness of simple fornication, half-adultery, and polygamy. (London : Printed for William Keblewhite ..., 1696), by Charles Leslie (HTML at EEBO TCP)

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