| Call number | Item |
| H | Social Sciences (Go to start of category) |
| HQ | Family, Marriage, Sex and Gender (Go to start of category) |
| HQ21 .K3 1911 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) Love and Ethics (New York: B. W. Huebsch, c1911), by Ellen Key |
| HQ21 .K58 1922 | Vom Kosmogonischen Eros (in German; Munich: G. Müller, 1922), by Ludwig Klages (page images at HathiTrust; US access only) |
| HQ21 .K58 1926 | Vom Kosmogonischen Eros (second edition, in German; Jena: E. Diederichs, 1926), by Ludwig Klages (page images at HathiTrust; US access only) |
| HQ21 .M6 | Sexual Ethics: A Study of Borderland Questions (1914), by Robert Michels (multiple formats at archive.org) |
| HQ21 .T5 | Sex and Society (some essays in this edition from journal versions), by William Isaac Thomas (HTML at Brock) |
| HQ21 .T66 1959 | Modern Sex Techniques (New York: Archer House, c1959), by Robert Street (page images at HathiTrust) |
| HQ21 .V7 | Sex Perfection and Marital Happiness (New York: Dial Press, c1949), by Rudolf von Urban (page images at HathiTrust) |
| HQ21 .W5 | Sex and Character, by Otto Weininger (PDF and partial HTML with commentary at theabsolute.net) |
| HQ21 .W5 | Sex and Character (authorized translation from the sixth German edition; London: W. Heinemann; New York: G.P. Putnam's Sons, 1906), by Otto Weininger |
| HQ21 .W5 1903 | Geschlecht und Charakter: Eine Prinzipielle Untersuchung (in German; Vienna and Leipzig: W. Braumuller, 1903), by Otto Weininger |
| HQ21 .W5 1909 | Geschlecht und Charakter: Eine Prinzipielle Untersuchung (11th edition, in German; Vienna and Leipzig: W. Braumuller, 1909), by Otto Weininger |
| HQ21 .W5 1909 | 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) |
| HQ23 .A5 1961 | The Housewife's Handbook on Selective Promiscuity (second edition; Tucson: Seymour Press, c1961), by Rey Anthony (page images at HathiTrust) |
| HQ23 .C55 | Chrysalis Quarterly (with successor publication Chrysalis; 1991-1995) (full serial archives) |
| HQ23 .C55 | Chrysalis: The Journal of Transgressive Gender Identities (with predecessor publication Chrysalis Quarterly; 1995-1998) (full serial archives) |
| HQ27 .M330 | The Quality of Adolescent Sexual Experiences (1974), by Floyd Mansfield Martinson (HTML and PDF at ipce.info) |
| HQ27 .W34 2000 | Plain Talk: Addressing Adolescent Sexuality Through a Community Initiative (final evaluation report prepared for the Annie E. Casey Foundation; 2000), by Karen E. Walker and Lauren J. Kotloff (PDF with commentary at issuelab.org) |
| HQ31 | 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) |
| HQ31 .A85 1870 | The Book of Nature: Containing Information for Young People Who Think of Getting Married, on the Philosophy of Procreation and Sexual Intercourse, Showing How to Prevent Conception and to Avoid Child-Bearing; Also, Rules for Management During Labor and Child-Birth (New York: Wallis and Ashton, 1861), by James Ashton (multiple formats at archive.org) |
| HQ31 .C3 | Sex-Love, and its Place in a Free Society (second edition; Manchester, UK: Labour Press Society, 1894), by Edward Carpenter (page images at HathiTrust) |
| HQ31 .C3 1906 | 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) |
| HQ31 .C6 1950 | The Mystery of Sex and Race Regeneration: A Sane, Sensible and Reasonable Approach to the Highly Important But Much Involved Problem of Sex From The Natural, Moral and Religious Aspects and Having the REgeneration of the Race in View (fourth edition; Quakertown, PA: Philosophical Pub. Co., 1950), by R. Swinburne Clymer (page images at HathiTrust) |
| HQ31 .C77 1873 | 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) |
| HQ31 .C94 | The Wedding Night (ca.1900), by Ida C. Craddock (HTML at idacraddock.org) |
| HQ31 .F5 | Sanity in Sex (New York: Dodd, Mead and Co., 1920), by William J. Fielding (multiple formats at archive.org) |