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General factor (Psychology)

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• Intellect

• Factor, General (Psychology)
• General ability (Psychology)
• General intelligence (Psychology)
• G factor (Psychology)
• G factor (psychometrics)

• The g Factor: General Intelligence and Its Implications, by Chris Brand (zipped illustrated HTML with commentary at douance.org)

Items below (if any) are from related and broader terms.

• How Brains Think: Evolving Intelligence, Then and Now (c1996), by William H. Calvin (illustrated HTML with commentary at williamcalvin.com)
• Three Conceptions of Mind: Their Bearing on the Denaturalization of the Mind in History (New York: Columbia University Press, 1926), by Alejandro A. Jascalevich (page images at HathiTrust)
• The Mysterious Matter of Mind, by Arthur C. Custance and Lee Edward Travis (HTML at custance.org)
• Of the Conduct of the Understanding, by John Locke (HTML with commentary at Wayback Machine)
• Essays on the Intellectual Powers of Man (abridged with notes, 6th edition; Boston: Phillips, Sampson, and Co.; New York: J. C. Derby, 1855), by Thomas Reid, ed. by James Walker, contrib. by William Hamilton
  • multiple formats at archive.org
  • page images at HathiTrust
• The g Factor: General Intelligence and Its Implications, by Chris Brand (zipped illustrated HTML with commentary at douance.org)
• The Human Intellect: With an Introduction Upon Psychology and the Soul, by Noah Porter
  • page images at MOA
  • multiple formats at archive.org
• Human learning (The Century co., 1931), by Edward L. Thorndike (page images at HathiTrust)
• Der intellektuelle Eigenwert der Gefühlsbetonung. Ist der dualismus zwischen Erkenntnis und gefühl Berechtigt? (J. Dybwad, 1923), by Thomas Parr (page images at HathiTrust; US access only)
• Étude sur l'intelligence humaine et la sensibilité animale (J. Lecoffre et cie, 1853), by Pierre Chauvin (page images at HathiTrust)
• The developmental psychology of Jean Piaget. (Van Nostrand, 1963), by John H. Flavell (page images at HathiTrust)
• Espéces et variétés d'intelligences : éléments de noologie (Bossard, 1920), by F. Mentré (page images at HathiTrust; US access only)
• What is the mind? (The Macmillan company, 1929), by George Thomas White Patrick (page images at HathiTrust)
• Differential cognitive abilities (Stanford University, 1962), by Eleanor E. Maccoby and Lucy Rau (page images at HathiTrust; US access only)
• Factors of intelligence in high and low cognitive ability groups. (Catholic University of America Press, 1954), by William Pauline McCormick (page images at HathiTrust; US access only)
• The measurement of adult intelligence (The Williams & Wilkins company, 1941), by David Wechsler (page images at HathiTrust)
• The measurement of adult intelligence (The Williams & Wilkins Company, 1944), by David Wechsler (page images at HathiTrust)
• Human efficiency and levels of intelligence, lectures delivered at Princeton University April 7,8,10,11, 1919. (Princeton University Press, 1920), by Henry Herbert Goddard (page images at HathiTrust)
• The meaning of intelligence (Macmillan, 1943), by George D. Stoddard (page images at HathiTrust)
• The measurement of adult intelligence (Williams & Wilkins, 1939), by David Wechsler (page images at HathiTrust)
• Das Verhältniss zwischen Willen und Verstand im Menschen. Vortrag ... gehalten im Rezidenzschlosse zu Karlsruhe am 28. März 1896 (C. Winter, 1896), by Kuno Fischer (page images at HathiTrust)
• The unity of will; studies of an irrationalist (Chapman & Hall, ltd., 1906), by George Ainslie Hight (page images at HathiTrust)
• La naissance de l'intelligence (E. Flammarion, 1914), by Georges Bohn (page images at HathiTrust; US access only)
• The evolution of animal intelligence (H. Holt and company, 1911), by Samuel J. Holmes (page images at HathiTrust)
• Instinct in man; a contribution to the psychology of education (University press, 1917), by James Drever (page images at HathiTrust)
• Instinct in man; a contribution to the psychology of education (University Press, 1921), by James Drever (page images at HathiTrust)
• Man's mental evolution, past and future (Baillière, Tindall & Cox, 1923), by Harry Campbell (page images at HathiTrust)
• Intelligence and mental growth (W. W. Norton & Company, 1928), by Claude Albert Claremont (page images at HathiTrust)
• Mind, Problem of (The University of Texas, 1925), by Gustavus Watts Cunningham (page images at HathiTrust)
• Mind, its origin and goal. (New Haven : Yale University Press, 1926., 1926), by George Barton Cutten and Yale University. James Wesley Cooper Memorial Publication Fund (page images at HathiTrust)
• Intuition versus intellect. (Life Science Press, 1957), by Paul Maslow (page images at HathiTrust)
• Mind in evolution (Macmillan, 1901), by L. T. Hobhouse (page images at HathiTrust; US access only)
• Can intelligence be measured? Some theoretical and practical implications (Loyola university press, 1929), by Lewis Richard Steinbrink (page images at HathiTrust)
• Mind in evolution (Macmillan and Co., limited, 1915), by L. T. Hobhouse, E. F. Mettnick, and William B. Provine Collection on Evolution and Genetics (page images at HathiTrust)
• Three conceptions of mind, their bearing on the denaturalization of the mind in history (Columbia university press, 1926), by Alejandro A. Jascalevich (page images at HathiTrust)
• Die Entwicklung des menschlichen Geistes; ein Vortrag von Max Verworn. (G. Fischer, 1915), by Max Verworn (page images at HathiTrust; US access only)
• Vignaud pamphlets. Instinct and intelligence. (1806) (page images at HathiTrust)
• Genius and creative intelligence (Sci-art publishers, 1931), by Nathaniel David Mttron Hirsch (page images at HathiTrust)
• Letters and social aims (James R. Osgood, 1876), by Ralph Waldo Emerson, Susan Huntington Dickinson, Emily Dickinson, Frederic Alcott Pratt, Frederic Wolsey Pratt, and Amos Bronson Alcott (page images at HathiTrust)
• Intelligence: its nature and nurture. Pt. I. Comparative and critical exposition. Pt. II. Original studies and experiments. (Public School Publishing Company, 1940), by National society for the study of education. Committee on intelligence: its nature and nurture, George D. Stoddard, and Guy Montrose Whipple (page images at HathiTrust)
• Character and intelligence; an attempt at an exact study of character ... (University press, 1915), by Edward Webb (page images at HathiTrust)
• Le procès de l'intelligence. (Bloud & Gay, 1922), by Paul Archambault (page images at HathiTrust; US access only)
• On intelligence (H. Holt & Co., 1884), by Hippolyte Taine and Thomas Davey (page images at HathiTrust)
• De l'intelligence, v.2 (Hachette et cie, 1892), by Hippolyte Taine (page images at HathiTrust)
• The nature of "intelligence" and the principles of cognition (Macmillan, 1923), by Charles Edward Spearman (page images at HathiTrust)
• Modern psychology, normal and abnormal; a behaviorism of personality (J. B. Lippincott company, 1928), by Daniel Bell Leary (page images at HathiTrust; US access only)
• Intelligenz und Wille (Quelle & Meyer, 1908), by Ernst Meumann (page images at HathiTrust; US access only)
• The senses and the intellect (Longman, Green, Longman, Roberts & Green, 1864), by Alexander Bain (page images at HathiTrust)
• Les sens et l'intelligence (G. Baillière, 1874), by Alexander Bain and Émile Honoré Cazelles (page images at HathiTrust)
• L'intelligence (F. Alcan, 1926), by Benjamin Bourdon (page images at HathiTrust; US access only)
• Essai physiologique sur l'intelligence humaine (Crochard [etc.], 1819), by R. Athanase (page images at HathiTrust)
• The nature of intelligence (K. Paul, Trench, Trubner & co., ltd;, 1924), by L. L. Thurstone (page images at HathiTrust; US access only)
• Human intelligence: its enhancement by hygienic and therapeutic mean. A guide to rational thinking (F. A. Davis company, 1927), by Arnold Lorand and Philipp Fischelis (page images at HathiTrust)
• Intelligence and its deviations (The Ronald press company, 1945), by Mandel Sherman (page images at HathiTrust)
• Building human intelligence ... (F. A. Davis company, 1917), by Arnold Lorand and Philipp Fischelis (page images at HathiTrust)
• L'étude expérimentale de l'intelligence (Schleicher frères & cie, 1903), by Alfred Binet (page images at HathiTrust; US access only)
• Psychology and the psychosis. Intellect. (Sigma publishing co., 1896), by Denton Jaques Snider (page images at HathiTrust)
• Animal life and intelligence (Ginn, 1891), by C. Lloyd Morgan (page images at HathiTrust)
• Mind and heredity (Princeton, N.J. : Princeton University Press, 1923., 1923), by Vernon L. Kellogg (page images at HathiTrust)
• Outlines of philosophical education illustrated by the method of teaching the logic class in the university of Glasgow ... (For Oliver and Boyd, Edinburgh; [etc., etc.], 1825), by George Jardine (page images at HathiTrust)
• How we learn (D. C. Heath and company, 1940), by Boyd Henry Bode (page images at HathiTrust)
• Habit and intelligence in educational theory ... ([Columbus, Ohio, 1928), by Florence Jane Williamson (page images at HathiTrust)
• The relation of intelligence to physiological age with special reference to sex differences. (St. Paul Book & Stationery, 1946), by Samuel Oliver Severson (page images at HathiTrust)
• Early conceptions and tests of intelligence (World Book Co., 1925), by Joseph Peterson (page images at HathiTrust)
• Relationships between intelligence, scholastic achievement, and musical talent (California bureau of juvenile research, 1937), by Verne Ralph Ross (page images at HathiTrust)
• The intellect in the philosophy of St. Thomas... (Philadelphia, 1928), by Francis P. Clarke (page images at HathiTrust)
• The elements of intellectual science. (C. Scribner & company, 1871), by Noah Porter (page images at HathiTrust)
• Elements of intellectual philosophy: (W. Hyde, 1827), by Thomas C. Upham (page images at HathiTrust)
• Elements of mental philosophy (W. Hyde & co., 1832), by Thomas C. Upham (page images at HathiTrust)
• Three chapters on the nature of mind (Macmillan, 1923), by Bernard Bosanquet and Helen Dendy Bosanquet (page images at HathiTrust; US access only)
• The historical method in ethics and other essays (University press; [etc., etc., 1920), by John Handyside (page images at HathiTrust)
• Sceptical essays (G. Allen & Unwin, 1928), by Bertrand Russell (page images at HathiTrust; US access only)
• Bergson and future philosophy; an essay on the scope of intelligence (Macmillan and co., limited, 1921), by G. Rostrevor Hamilton (page images at HathiTrust; US access only)
• Anthropomorphism and science (G. Allen & Unwin, ltd., 1916), by Olive Annie Wheeler (page images at HathiTrust; US access only)
• The relation between morality and intellect : a compendium of evidence contributed by psychology, c riminology, and sociology (Teachers college, Columbia university, 1935), by Clara Chassell Cooper (page images at HathiTrust; US access only)
• God and intelligence in modern philosophy : a critical study in the light of the philosophy of Saint Thomas (Longmans, Green and Co., 1925), by Fulton J. Sheen and G. K. Chesterton (page images at HathiTrust; US access only)
• The human intellect with an introduction upon psychology and the soul. (Scribner, 1869), by Noah Porter (page images at HathiTrust)
• Evolution and man's place in nature (Macmillan and Co., 1893), by Henry Calderwood (page images at HathiTrust)
• Anti-intellectualism in present philosophy ... (Baltimore, 1926), by Albert L. Hammond (page images at HathiTrust)
• Mentally defective children : (Longmans, Green, & Co. ;, 1914), by Alfred Binet, Théodore Simon, William Blackley Drummond, Margaret Drummond, Théodore Simon, and W. B. Drummond (page images at HathiTrust; US access only)
• Science and the human mind; a critical and historical account of the development of natural knowledge (Longmans, Green, and co., 1912), by William Cecil Dampier Dampier and Catherine Durning Holt Dampier (page images at HathiTrust; US access only)
• Mind in the lower animals, in health and disease (D. Appleton and Company, 1880), by W. Lauder Lindsay and Joseph Meredith Toner Collection (Library of Congress) (page images at HathiTrust)
• Intellectual and educational status of the medical profession as represented in the United States Army (Published by the National Research Council of the National Academy of Sciences, 1921), by Margaret V. Cobb, Robert M. Yerkes, and National Research Council (U.S.) (page images at HathiTrust)
• The geography of intellect, by Nathaniel Weyl and Stefan T. Possony. (Regnery, 1963), by Nathaniel Weyl and Stefan Thomas Possony (page images at HathiTrust)
• A study of change in mental organization (New York, 1936), by Solomon E. Asch (page images at HathiTrust; US access only)
• Knowledge and object ... (Washington, D.C., 1932), by Edward Francis Talbot (page images at HathiTrust; US access only)
• The rational nature of man, with particular reference to the effects of immorality on intelligence according to Saint Thomas Aquinas; a metaphysical study ... (The Catholic university of America, 1937), by James Colman Linehan (page images at HathiTrust; US access only)
• The Thomistic doctrine on the possible intellect. (Catholic University of America Press, 1950), by Edward Quinlisk Franz (page images at HathiTrust; US access only)
• The families whence high intelligence springs. (Cold Spring Harbor, N.Y., 1926), by Grace Allen (page images at HathiTrust)
• A comparative study of the intelligence of delinquent girls (Teachers College, Columbia University, 1914), by Augusta F. Bronner (page images at HathiTrust)
• A study of transfer of training from high school subjects to intelligence (Teachers College, Columbia University, 1945), by Alexander G. Wesman (page images at HathiTrust; US access only)
• The human intellect: with an introduction upon psychology and the soul. (C. Scribner's sons, 1883), by Noah Porter (page images at HathiTrust)
• Elements of mental philosophy, embracing the two departments of the intellect and the sensibilities. (Harper & brothers., 1845), by Thomas C. Upham (page images at HathiTrust)
• Elements of mental philosophy, embracing the two departments of the intellect and the sensibilities. (Harper & brothers., 1856), by Thomas C. Upham (page images at HathiTrust)
• Abridgement of mental philosophy : including the three departments of the intellect, sensibilities, and will ; designed as a text-book for academies and high schools (Harper & Brothers, 1861), by Thomas C. Upham and L. L. Smith (page images at HathiTrust)
• Preliminary essay on the intellectual powers of man (W. S. Sime; [etc., etc.], 1884), by Thomas Reid (page images at HathiTrust)
• De la discipline intellectuelle. (Ė. Nourry, 1919), by Alfred Loisy (page images at HathiTrust; US access only)
• L'intelligence et la vie (F. Alcan, 1915), by Clodius Piat (page images at HathiTrust; US access only)
• On inheritance of mental characters. : The Harveian oration for 1910 delivered before the Royal college of physicians of London on October 18th (Adlard and son, Bartholomew press, 1910), by Horatio Bryan Donkin (page images at HathiTrust)
• Personality organization in cognitive controls and intellectual abilities (International Universities Press, 1960), by Riley W. Gardner (page images at HathiTrust)
• The feast of the cannibals ([The Author], 1927), by Barukh Jonas (page images at HathiTrust)
• The evolution of mind (A. & C. Black, 1910), by Joseph McCabe (page images at HathiTrust; US access only)
• Girkʻ kardalu mijotsʻaw mtaworakan mshakutʻean hasnelu ōgtakar khratner (880-04 Kostandnupōlis : I tparani Hovhannu Miwhēntisean, 1852., 1852), by Nikoghayos M. Zōrayean (page images at HathiTrust)
• La dottrina dell'intelletto in Aristotile e nei suoi più illustri interpreti (C. Clausen, 1896), by Romualdo Bobba (page images at HathiTrust)
• The contact between minds, a metaphysical hypothesis (Macmillan and co., limited, 1923), by Cecil Delisle Burns (page images at HathiTrust)
• Erkenntnis und leben; untersuchungen über gliederung, methoden und beruf der wissenschaft (B.G. Teubner, 1923), by Theodor Litt (page images at HathiTrust; US access only)
• Intelligenz und Wille. (Quelle & Meyer, 1913), by Ernst Meumann (page images at HathiTrust; US access only)
• The human intellect: with an introduction upon psychology and the soul. (C. Scribner & Company, 1868), by Noah Porter (page images at HathiTrust)
• Come funziona la nostra intelligenza. (Zanichelli, 1922), by Eugenio Rignano (page images at HathiTrust; US access only)
• Elements of mental philosophy (Harper, 1845), by Thomas Cogswell Upham (page images at HathiTrust)
• Psychologie naturelle : étude sur les facultés intellectuelles et morales dans leur état normal et dans leurs manifestations anomales chez les aliénés et chez les criminels (F. Savy, 1868), by Prosper Despine, Matthew Arnold, and William James (page images at HathiTrust)
• Differential response of normal and feebleminded subjects of equal mental age, on the Kent-Rosanoff free association test and the Stanford revision of the Binet-Simon intelligence test (The Williams & Wilkins Co., 1931), by John Holman McFadden (page images at HathiTrust)
• Mind, its origin and goal (Yale university press; [etc., etc.], 1925), by George Barton Cutten and James Wesley Cooper Memorial Publication Fund (page images at HathiTrust)
• Razvitie chelovecheskogo dukha (Kn-vo "Sovremennyi︠a︡ problemy", 1913), by Max Verworn (page images at HathiTrust; US access only)
• Animal intelligence (D. Appleton, 1904), by George John Romanes (page images at HathiTrust)
• La théorie de l'intelligence chez Schopenhauer (F. Alcan, 1923), by Philippe Méditch (page images at HathiTrust; US access only)
• Elements of intellectual philosophy; designed as a text-book (Shirley and Hyde;, 1828), by Thomas C. Upham (page images at HathiTrust)
• A propos de l'infame capital. (Paris, Impr. Charaire et cie., 1894), by J Rames (page images at HathiTrust)
• Intelligenz und Wille (Quelle & Meyer, 1925), by Ernst Meumann (page images at HathiTrust; US access only)
• Die intellektuellen Funktionen : Untersuchuhgen über Grenzfragen der Logik, Psychologie und Erkenntnistheorie (Alfred Hölder, 1909), by Josef Klemens Kreibig (page images at HathiTrust; US access only)
• Die Entwicklungsgeschichte des Talentes und Genies (J.F. Lehmann, 1908), by Albert Reibmayr (page images at HathiTrust; US access only)
• I sentimenti nel lavoro intellectuale. (R. Bemporad & figlio, 1918), by Alderino Bondi (page images at HathiTrust; US access only)
• Die Entwicklung des menschlichen Geistes; ein Vortrag (G. Fischer, 1912), by Max Verworn (page images at HathiTrust; US access only)
• La naissance de l'intelligence : ouvrage illustré de 40 figures (E. Flammarion, 1909), by Georges Bohn (page images at HathiTrust; US access only)
• Physiologie cérébrale; le subconscient chez les artistes, les savants et les écrivains. (Baillière, 1897), by Jacques Nervat and Paul Chabaneix (page images at HathiTrust)
• The elements of intellectual science : a manual for schools and colleges (New York :, 1874), by Noah Porter (page images at HathiTrust)
• Tractatus de intellectus emendatione et de via, qua optime in veram rerum cognitionem dirigitur (Duckworth, 1899), by Benedictus de Spinoza and William Hale White (page images at HathiTrust; US access only)
• Essays on the intellectual powers of man. (J. Bartlett, 1850), by Thomas Reid, William Hamilton, and James Walker (page images at HathiTrust)
• A study of consciousness, intelligence and matter (Pyburn, 1901), by George Pyburn (page images at HathiTrust)
• Die Kritik des Intellects. Positive Erkenntnistheorie. (F. A. Brockhaus, 1902), by Gustav Ratzenhofer (page images at HathiTrust; US access only)
• The human intellect : with an introduction upon psychology and the soul (C. Scribner's Sons, 1886), by Noah Porter (page images at HathiTrust)
• La pensée et les nouvelles écoles anti-intellectualistes (F. Alcan, 1911), by Alfred Fouillée (page images at HathiTrust; US access only)
• The possibility of invincible ignorance of the natural law (The Catholic University of America Press, 1941), by Stanley Bertke (page images at HathiTrust; US access only)
• The evolution of mind (Watts & co., 1921), by Joseph McCabe (page images at HathiTrust; US access only)
• Quelques mots sur l'esprit humain (J. Hetzel et Cie, 1880), by Emile Erckmann and Alexandre Chatrian (page images at HathiTrust)
• The conduct of the understanding (Alden, 1891), by John Locke (page images at HathiTrust)
• Elements of mental philosophy, abridged and designed as a text-book for academies and high schools. (Harper & brothers, 1854), by Thomas Cogswell Upham (page images at HathiTrust)
• Rétlexions sur l'intelligence et sur sa vie propre. (Nouvelle librairie nationale, 1926), by Jacques Maritain (page images at HathiTrust; US access only)
• History of intellectual development: on the lines of modern evolution. (Longmans, Green, and co., 1902), by John Beattie Crozier (page images at HathiTrust; US access only)
• Modern theories of intelligence applied to assessment of abilities, instructional design, and knowledge-based assessment (National Research Center on the Gifted and Talented, University of Connecticut, 2004), by Robert J. Sternberg, Institute of Education Sciences (U.S.), and National Research Center on the Gifted and Talented (page images at HathiTrust)
• Giftedness and expertise (National Research Center on the Gifted and Talented, University of Connecticut, 2004), by Robert J. Sternberg, M. D. Ferrari, Elena L. Grigorenko, Institute of Education Sciences (U.S.), and National Research Center on the Gifted and Talented (page images at HathiTrust)
• Human efficiency and levels of intelligence; lectures delivered at Princeton university April 7, 8, 10, 11, 1919. (Princeton University Press, 1922), by Henry Herbert Goddard (page images at HathiTrust; US access only)
• Problems of nature, researches and discoveries of Gustav Jaeger M.D., selected from his published writings. (Brentano's, 1897), by Gustav Jäger and Henry G. Schlichter (page images at HathiTrust)
• Elogio delle principali scoperte ossia trattato dell'eccelenza dell'umano (Magheri, 1831), by Ferdinando Orlandi (page images at HathiTrust)
• The evolution of the human intellect. (s.n., 1924), by Edward L. Thorndike (page images at HathiTrust)
• The origin of mind; an evolutionary sketch. Psychogeny. A chapter in twentieth century anthropology. (Up the Divide Pub. Co., 1924), by Duren James Henderson Ward (page images at HathiTrust)
• Abridgement of mental philosophy : including the three departments of the intellect, sensibilities, and will ; designed as a text-book for academies and high schools (Harper & Brothers, 1880), by Thomas Cogswell Upham and L. L. Smith (page images at HathiTrust)
• Elements of mental philosophy (S. Colman., 1831), by Thomas C. Upham and Dugald Stewart (page images at HathiTrust)
• The brain as an organ of mind (Kegan Paul, 1880), by H. Charlton Bastian (page images at HathiTrust)
• Die Psychologie des Aristoteles insbesondere seine Lehre vom nous poiētikos (F. Kirchheim, 1867), by Franz Brentano (page images at HathiTrust)
• Intellect (W.B. Hardy, 1884), by E. Janes (page images at HathiTrust)
• Essai philosophique concernant l'entendement humain. . . (Amsterdam, 1774), by John Locke (page images at HathiTrust)
• The self: what is it? (J.P. Morton and Company, 1888), by J. S. Malone (page images at HathiTrust)
• Das Wesen des Geistes (Wagner, 1899), by Hermann Scheffler (page images at HathiTrust; US access only)
• Die Geisteskräfte der Menschen verglichen mit denen der Thiere : ein Bedenken gegen Darwin's Ansicht über denselben Gegenstand (Veit, 1878), by Ludwig Strümpell (page images at HathiTrust)
• Elements of mental philosophy, abridged and designed as a text-book for academies and high schools. (Harper & Brothers, 1849), by Thomas Cogswell Upham (page images at HathiTrust)
• Essai de Psychologie objective : L'ignorance et l'irréflexion (Paris :, 1898), by Louis Gérard-Varet (page images at HathiTrust)
• Genius and degeneration, a psychological study (D. Appleton and Company, 1896), by William Hirsch and D. Appleton and Company (page images at HathiTrust)
• A treatise on the conduct of the understanding (S. Andrus, 1849), by John Locke (page images at HathiTrust)
• Elements of mental philosophy : abridged and designed as a text-book for academies and high schools (Harper & Brothers, 1852), by Thomas C. Upham (page images at HathiTrust)
• Elements of mental philosophy (Harper & brothers, 1858), by Thomas Cogswell Upham (page images at HathiTrust)
• The elements of intellectual science. A manual for schools and colleges. Abridged from "The human intellect". (C. Scribner's Sons, 1890), by Noah Porter (page images at HathiTrust)
• Elements of mental philosophy : embracing the two departments of the intellect and the sensibilities (William Hyde, 1837), by Thomas C. Upham and Book Traces Project (page images at HathiTrust)
• Upham's mental philosophy, intellect (W. Hyde, 1839), by Thomas C. Upham and William Hyde (page images at HathiTrust)
• Elements of mental philosophy enbracing the two departments of the intellect and the sensibilities (Harper & Brothers, 1841), by Thomas Cogswell Upham (page images at HathiTrust)
• Self-training; the lines of mental progress (D. McKay Co., 1918), by H. Ernest Hunt (page images at HathiTrust)
• Intellect, the emotions, and the moral nature. (T. Constable and Co., 1855), by William Lyall (page images at HathiTrust)
• Elements of mental philosophy : abridged and designed as a text book for academies and high schools (Published by William Hyde for Z. Hyde, 1838), by Thomas Cogswell Upham, Sarah G. Pack, William Hyde, and 1838 (page images at HathiTrust)
• Elements of mental philosophy : embracing the two departments of the intellect and the sensibilities (Harper ;, 1848), by Thomas C Upham (page images at HathiTrust)
• Essays on the intellectual powers of man (Phillips, Sampson, 1854), by Thomas Reid, James Walker, and William Hamilton (page images at HathiTrust)
• Sound mind; or, Contributions to the natural history and physiology of the human intellect. (Longman, Hurst, Rees, Orme, and Brown, 1819), by John Haslam (page images at HathiTrust)
• Aristoteles' Ansicht von den ethischen und intellectuellen Unterschieden der Menschen (Ho Palamedes, 1886), by Panagiotes A. Hagiosophites (page images at HathiTrust)
• Immanuel Kant's Kritik der Urtheilskraft (L. Heimann, 1872), by Immanuel Kant and Julius Hermann von Kirchman (page images at HathiTrust)
• De mente humana apud Joannem Baptistam du Hamei ... (literis E. Valin, typographi, 1891), by P. D. Bernier (page images at HathiTrust)
• Die Entwicklung des menschlichen Geistes (Gustave Fischer, 1910), by Max Verworn (page images at HathiTrust; US access only)
• De la phrénologie du magnétisme et de la folie. Ouvrage dédié a la mémoire de Broussais. (Desessart, Éditeur, 1839), by P. H. Azaïs and F. J. V. Broussais (page images at HathiTrust)
• Ueber die genesis der menschheit und deren geistige entwicklung in religion, sittlichkeit und sprache. (A. Ackermann, 1883), by Jakob Frohschammer (page images at HathiTrust)
• Grandeza y servidumbre de la inteligencia (Residencia de Estudiantes, 1919), by Eugenio d' Ors (page images at HathiTrust; US access only)
• Kant's Critique of judgement (Macmillan, 1914), by Immanuel Kant and J.H. Bernard (page images at HathiTrust; US access only)
• Essays on the powers of the human mind. (Bell, 1808), by Thomas Reid (page images at HathiTrust)
• The elements of intellectual science. A manual for schools and colleges. Abridged from "The human intellect". (Scribner, Armstrong & co., 1875), by Noah Porter (page images at HathiTrust)
• Mind, mechanism, and adaptive behavior. (Psychological Review co., 1937), by Clark Leonard Hull (page images at HathiTrust; US access only)
• Chinō no honshitsu (Dōbunkan, 1926), by Shigeru Ōtomo (page images at HathiTrust; US access only)
• An introduction to mental philosophy : in two parts (Black, 1853), by George Ramsay (page images at HathiTrust)
• Kritik der urtheilskraft. (P. Reclam jun., 1878), by Immanuel Kant and Karl Kehrbach (page images at HathiTrust)
• Some thoughts on the conduct of the understanding in the search of truth ... ([London], 1741), by John Locke (page images at HathiTrust)
• Proteus (K. Paul, Trench, Trubner & co., ltd.;, 1925), by Vernon Lee (page images at HathiTrust; US access only)
• Intellect (Henry Artemus, 1896), by Ralph Waldo Emerson (page images at HathiTrust)
• De l'intelligence d'après la méthode sentimentale. (Nouvelle libraire nationale, 1908), by Jean Marie Paul Ritti (page images at HathiTrust; US access only)
• Building human intelligence. (F.A. Davis Co., 1922), by Arnold Lorand (page images at HathiTrust)
• Means of developing the human faculties (Allen, 1834), by J. L. Levison (page images at HathiTrust)
• A treatise on the conduct of the understanding (Timothly Bedlington, 1828), by John Locke (page images at HathiTrust)
• A treatise on the conduct of the understanding (C. D. Strong, 1831), by John Locke (page images at HathiTrust)
• The supremacy of mind: a lecture, introductory to the eleventh annual course of lectures before the Young men's association of the city of Albany. (Munsell and Tanner, printers, 1845), by Samuel Ware Fisher (page images at HathiTrust)
• The elements of intellectual science. (Charles Scribner'ssons, 1890), by Noah Porter (page images at HathiTrust)
• A treatise on the conduct of the understanding (Andrus, 1851), by John Locke (page images at HathiTrust)
• Elements of mental philosophy : abridged and designed as a text-book for academies and high schools (Harper & brothers, 1841), by Thomas C. Upham and Book Traces Project (page images at HathiTrust)
• Elements of mental philosophy : embracing the two departments of the intellect and the sensibilities (Harper & Bros., 1850), by Thomas C. Upham and Book Traces Project (page images at HathiTrust)
• Elements of mental philosophy : embracing the two departments of the intellect and the sensibilities (Harper & Bros., 1852), by Thomas C. Upham and Book Traces Project (page images at HathiTrust)
• Elements of mental philosophy : embracing the two departments of the intellect and the sensibilities (Harper, 1854), by Thomas C. Upham (page images at HathiTrust)
• Du progrès intellectuel dans l'humanité. Supériorité des arts modernes sur les arts anciens (Guillaumin et cie, 1862), by Eugène Véron (page images at HathiTrust)
• De l'intelligence (Hachette et cie, 1897), by Hippolyte Taine (page images at HathiTrust)
• The nature of intelligence (K. Paul, Trench, Trubner & Co., ltd;, 1927), by L. L. Thurstone (page images at HathiTrust; US access only)
• The historical method in ethics and other essays (University Press; [ect., etc., 1919), by John Handyside (page images at HathiTrust)
• Introductory address on independence of intellect ... (Printed at the office of the Kentucky Whig, 1825), by Charles Caldwell (page images at HathiTrust)
• Intellectual development and the erect posture (Allan Grant, 1924), by Colin Mackenzie (page images at HathiTrust; US access only)
• Science and technology of glazing systems embracing the two department intellects and the sensibilities (Harper & Brothers, 1841), by Thomas Cogswell Upham (page images at HathiTrust)
• La teorica della mente umana. Rosmini e i rosminiani. La libertà cattolica ; (Bocca, 1910), by Vincenzo Gioberti, Edmondo Solmi, and Turin. Biblioteca civica (page images at HathiTrust; US access only)
• Essays on the intellectual powers of man. (J. Bartlett, 1853), by Thomas Reid, James Walker, and William Hamilton (page images at HathiTrust)
• Essays on the intellectual powers of man. (Phillips, Sampson, 1859), by Thomas Reid, James Walker, and William Hamilton (page images at HathiTrust)
• Ye thoroughbred (The Health-Culture Co., 1896), by William John Courthope (page images at HathiTrust)
• Den menneskelige tanke; dens former og dens opgaver. (Glydendal, 1910), by Harald Høffding (page images at HathiTrust; US access only)
• Elements of mental philosophy : abridged and designed as a text-book for academies and high schools (Harper, 1843), by Thomas C. Upham (page images at HathiTrust)
• The human intellect : with an introduction upon psychology and the soul. (Scribner, 1869), by Noah Porter (page images at HathiTrust)
• Essays on the intellectual powers of man (J. Bartlett, 1852), by Thomas Reid and James Walker (page images at HathiTrust)
• Elements of mental philosophy, abridged and designed as a text-book for academies and high schools. (Harper & brothers, 1860), by Thomas C. Upham (page images at HathiTrust)
• Abridgment of mental philosophy : including the three departments of the intellect, sensibilities, and will : designed as a text-book for academies and high schools (Harper & Brothers, 1867), by Thomas C. Upham and L. L. Smith (page images at HathiTrust)
• Grundzüge zu einer Physiologie des Denkens (Gerold, 1820), by Ph. Karl Hartmann (page images at HathiTrust)
• Essays on the intellectual powers of man (Phillips, Sampson, 1857), by Thomas Reid, James Walker, and William Hamilton (page images at HathiTrust)
• De la vie et de l'intteligence (G. Frères, 1858), by P. Flourens (page images at HathiTrust)
• De la raison du génie et de la folie (Garnier frères libraires-éditeurs, 1861), by P. Flourens (page images at HathiTrust)
• Elements of mental philosophy, abridged and designed as a text-book for academies and high schools. (Harper & brothers, 1842), by Thomas C. Upham (page images at HathiTrust)
• L'uomo fisico, intellettuale, morale ([s.n.], 1868), by Carlo Blasis, Antonio Cavagna Sangiuliani di Gualdana, and Luigi Mantovani (page images at HathiTrust)
• Des dispositions innées de l'ame et de l'esprit : du matérialisme, du fatalisme et de la liberté morale, avec des réflexions sur l'éducation et sur la législation criminelle (F. Schoell, 1811), by F. J. Gall and J. G. Spurzheim (page images at HathiTrust)
• De l'esprit; or, Essays on the mind, and its several faculties. (Printed for J.M. Richardson and Sherwood, Neely, and Jones, 1809), by Helvétius (page images at HathiTrust)
• Elements of mental philosophy (Harper & brothers, 1855), by Thomas Cogswell Upham (page images at HathiTrust)
• De l'intelligence (A. Costes, 1922), by Alfred Binet and History of Medicine Collection (David M. Rubenstein Rare Book & Manuscript Library) (page images at HathiTrust; US access only)
• Über den richtigen Gebrauch des Verstandes ... (Meiner, 1920), by John Locke and Otto Martin (page images at HathiTrust; US access only)
• The elements of philosophy. (Printed for A. Millar, 1754), by Samuel Johnson (page images at HathiTrust)
• Dictionnaire des passions (J.-P. Migne, 1857), by Félix André Auguste Poujol and Jean-François Senault (page images at HathiTrust)
• Animal intellect : and its relations to matter and spirit. (Wertheim and Macintosh, 1851), by Robert Walker Childs (page images at HathiTrust)
• Conduct of the understanding. (Clarendon Press, 1882), by John Locke and Thomas Fowler (page images at HathiTrust)
• The riddle of mentality and Einstein : two essays (Japan Chronicle Office, 1922), by Neil Gordon Munro (page images at HathiTrust; US access only)
• The human intellect : with an introduction upon psychology and the soul (Scribner, 1869), by Noah Porter (page images at HathiTrust)
• School variation in general intelligence (Public school publishing co., 1921), by Warren Winfred Coxe (page images at HathiTrust)
• The measurement of general intelligence. (Western reserve university press, 1916), by J. Crosby Chapman (page images at HathiTrust)
• Elements of mental philosophy (Harper & brother, 1859), by Thomas Cogswell Upham (page images at HathiTrust)
• The human intellect: with an introduction upon psychology and the soul. (Charles Scribner & Company, 1870), by Noah Porter (page images at HathiTrust)
• Elements of mental philosophy (Harper & brothers, 1858), by Thomas Cogswell Upham (page images at HathiTrust)
• The conduct of the understanding in the search of truth. (Printed for W. Creech; [etc., etc.], 1807), by John Locke (page images at HathiTrust)
• A treatise on the conduct of the understanding. (Water street bookstore, 1833), by John Locke (page images at HathiTrust)
• A treatise on the conduct of the understanding (S. Andrus & son, 1851), by John Locke (page images at HathiTrust)
• The human intellect; with an introduction upon psychology and the soul. (Scribner, 1869), by Noah Porter (page images at HathiTrust)
• The elements of intellectual science : a manual for schools and colleges (Charles Scribner & Company, 1871), by Noah Porter (page images at HathiTrust)
• The self: what is it? (J. P. Morton and company, 1888), by J. S. Malone (page images at HathiTrust)
• The self: what is it? (C. H. Kerr & company, 1893), by J. S. Malone (page images at HathiTrust)
• The elements of intellectual science. (C. Scribner's sons, 1885), by Noah Porter (page images at HathiTrust)
• The elements of intellectual science. (C. Scribner's sons, 1890), by Noah Porter (page images at HathiTrust)
• Abridgment of mental philosophy (Harper & brothers, 1863), by Thomas Cogswell Upham and L. L. Smith (page images at HathiTrust)
• Reid's essays on the intellectual powers of man. (Maclachlan and Stewart; [etc., etc.], 1853), by Thomas Reid and William Hamilton (page images at HathiTrust)
• Philosophy of mind : an essay in the metaphysics of psychology (Longmans, Green, and Co., 1895), by George Trumbull Ladd (page images at HathiTrust)
• Democracy and intellectual distinction. (s.n., 1917), by Joseph Alexander Leighton (page images at HathiTrust)
• Intelligence and behavior (1916), by Harry Amsterdam (page images at HathiTrust; US access only)
• Intelligence étudiée dans son état normal et ses aberrations (P.-J. Loss, 1840), by L. Forichon (page images at HathiTrust)
• Naturgesetze zur bildung des menschengeistes (J.E. v. Seidel, 1826), by Ildefonso Andreas Holzwart (page images at HathiTrust)
• Elements of the philosophy of the human mind. (Munroe, 1862), by Dugald Stewart (page images at HathiTrust)
• Outlines of mental faculties for beginners : with suggestive hints for training (A. Flanagan, 1892), by Charles M. Light (page images at HathiTrust)
• Locke's essay of the conduct of the understanding (Timothy Bedlington, 1831), by John Locke (page images at HathiTrust)
• Abridgment of mental philosophy : including the three departments of the intellect, sensibilities, and will ; designed as a text-book for academies and high schools (Harper & Brothers, 1882), by Thomas Cogswell Upham and L. L. Smith (page images at HathiTrust)
• The elements of intellectual science. A manual for schools and colleges. Abridged from "The human intellect." (C. Scribner & Company, 1886), by Noah Porter (page images at HathiTrust)
• The mental capacity of savages. (1918), by Ellsworth Faris (page images at HathiTrust; US access only)
• A treatise on the conduct of the understanding. (Timothy Bedlington, 1828), by John Locke (page images at HathiTrust)
• Diagnosis of brain power speech of Lieut.-Colonel Hon. James Baker, at a meeting of the Dominion National Educational Association, held at Toronto, April 18th, 1895. (s.n., 1895), by James Baker (page images at HathiTrust)
• Man displayed in four parts : 1st--being a chemical analysis of the elements which are found to exist in the human frame, thus showing the natural origin of man; 2nd--also the anatomical and physiological structure o [sic] the human frame; 3rd--the powers of the organs of the brain, phrenologically considered; 4th--with the strength and power of expansion of the immortal mind (S. Morrison, 1857), by R. De Courcey (page images at HathiTrust)
• Intellect, the emotions and the moral nature (T. Constable, 1855), by William Lyall (page images at HathiTrust)
• On the philosophy of human perfection and happiness (s.n.], 1849), by Adam Hood Burwell (page images at HathiTrust)
• Les joies de l'esprit essai communiqué à la Société d'émulation intellectuelle (s.n.], 1878), by A. de Boucherville (page images at HathiTrust)
• The intellectual life (G.N. Morang, 1900), by Philip Gilbert Hamerton (page images at HathiTrust)
• Letters and social aims. (Houghton, Mifflin and company, 1894), by Ralph Waldo Emerson (page images at HathiTrust)
• Conduct of the understanding. (Clarendon Press, 1901), by John Locke and Thomas Fowler (page images at HathiTrust)
• The morphologic aspect of intelligence (New York, 1921), by Sante Naccarati (page images at HathiTrust)
• De humanae cognitionis ratione : (Ex Typographia Collegii S. Bonaventurae, 1883), by Saint Bonaventure and Italy) Collegium S. Bonaventurae (Rome (page images at HathiTrust)
• Das Vergängliche und Unvergängliche in der menschlichen Seele nach Aristoteles. (Verlag der Buchhandlung der Waisenhauses, 1873), by Konstantin Schlottmann (page images at HathiTrust)
• The relation of brain to mind; a lecture delivered to the Dialectic Society of the University of Glasgow. (J. Maclehose & Sons, 1882), by John Cleland and University of Glasgow. Dialectic Society (page images at HathiTrust)
• Ueber Sinneswahrnehmung und deren Entwicklung zur Intelligenz (M. Bruhn, 1872), by K. G. Böse (page images at HathiTrust)
• De l'intelligence (Hachette & cie, 1906), by Hippolyte Taine (page images at HathiTrust; US access only)
• La pensée et les nouvelles écoles anti-intellectualistes (F. Alcan, 1911), by Alfred Fouillée (page images at HathiTrust; US access only)
• La teorica della mente umana Rosmini e i rosminiani. La libertà cattolica ; (Bocca, 1910), by Vincenzo Gioberti, Edmondo Solmi, and Biblioteca civica di Torino (page images at HathiTrust; US access only)
• Les types intellectuels Esprits logiques et esprits faux. ([s.n.], 1896), by Fr. Paulhan (page images at HathiTrust)
• Outlines of philosophical education illustrated by the method of teaching the logic or, first class of philosophy, in the University of Glasgow. (Printed by A. & J. Duncan for Anderson & Macdowell, Edinburgh; [etc., etc.], 1818), by George Jardine (page images at HathiTrust)
• Locke's Conduct of the understanding. (Boston, 1900), by John Locke and George Ansel Watrous (page images at HathiTrust)
• The man of genius (W. Scott ;, 1896), by Cesare Lombroso (page images at HathiTrust)
• The story of the mind (D. Appleton and Co., 1912), by James Mark Baldwin (page images at HathiTrust)
• Tractatus de intellectus emendatione : et de via, qua optime in veram rerum cognitionem dirigitur (Macmillan, 1895), by Benedictus de Spinoza and William Hale White (page images at HathiTrust)
• Líntellectualisme de saint Thomas (Félix Alcan, 1908), by Pierre Rousselot (page images at HathiTrust; US access only)
• Die grundprobleme der erkenntnissthätigkeit beleuchtet vom psychologischen und kritischen gesichtspunkte. Als einleitung in das studium der naturwissenschaften ... (T. Grieben, 1876), by Otto Caspari (page images at HathiTrust)
• The morphologic aspect of intelligence ([s.n.], 1921), by Sante Naccarati (page images at HathiTrust)
• L'intellect actif, ou, Du role de l'activité mentale dans la formation des idées ... (Ernest Leroux, 1890), by Clodius Piat (page images at HathiTrust)
• Hereditary genius : an inquiry into its laws and consequences (D. Appleton and Company ..., 1884), by Francis Galton and Myron Prinzmetal (page images at HathiTrust)
• The elements of intellectual science. A manual for schools and colleges. Abridged from "The human intellect". (C. Scribner's sons, 1885), by Noah Porter (page images at HathiTrust)
• Das Gehirn als Organ des Geistes. (F.A. Brockhaus, 1882), by H. Charlton Bastian (page images at HathiTrust)
• From matter to mind (Kegan Paul, Trench, Trübner, & co., 1895), by Marcus Robert Phipps Dorman (page images at HathiTrust)
• La pense̲e et les nouvelles e̲coles anti-intellectualistes / par Alfred Fouille̲e. (F. Alcan, 1919), by Alfred Fouillée (page images at HathiTrust; US access only)
• A treatise on the conduct of the understanding (S. Andrus, 1851), by John Locke and Francis Bacon (page images at HathiTrust)
• Essays on the powers of the human mind. To which is prefixed an account of the life and writings of the author (Bell, 1803), by Thomas Reid (page images at HathiTrust)
• Observations et réflexions sur le développement de l'intelligence et du langage chez les enfants. (Picard, 1887), by Victor Émile Egger (page images at HathiTrust)
• The unity of will : studies of an irrationalist (E.P. Dutton, 1906), by George Ainslie Hight (page images at HathiTrust)
• Of the conduct of the understanding (Bell and Daldy, 1859), by John Locke and Bolton Corney (page images at HathiTrust)
• Die vernichtung der intelligenz durch gedächtnisarbeit (E. Reinhardt, 1913), by Marie Vaërting (page images at HathiTrust; US access only)
• Die Organisierung der Intelligenz, von Viktor Hueber mit einer Einführung von Ernst Mach. (Barth, 1910), by Viktor Hueber (page images at HathiTrust; US access only)
• An address delivered on the evening of December 4, 1838 : before the Young Men's Association for Mutual Improvement in Albany, as introductory to their annual course of lectures (Printed by Alfred Southwick, 1838), by William Buell Sprague (page images at HathiTrust)
• Følelsesbetoningens intellektuelle egenvaerdi (Er der nogen grund til en dualisme mellem erkjendelse og følelse?) ... (O. Norlis forlag, 1912), by Thomas Parr (page images at HathiTrust; US access only)
• The structure of mental capacities. (University of California press, 1939), by J. A. Gengerelli (page images at HathiTrust; US access only)
• Andy and the IQ; a guide to intelligence for correctional workers. (Illinois State Penitentiary, Menard Branch, 1961), by Robert J. Brooks (page images at HathiTrust; US access only)
• Essays on the intellectual powers of man (J. Bartlett, 1851), by Thomas Reid, William Hamilton, and James Walker (page images at HathiTrust)
• Manual of projective and cognate techniques (College typing company, 1948), by Joseph Zubin and Kathleen M. Young (page images at HathiTrust; US access only)
• Intelligence, a dynamic approach (Doubleday, 1955), by Erika Fromm and Lenore Dumas Hartman (page images at HathiTrust; US access only)
• Five lectures on the problem of mind (AMS Press, 1979), by Gustavus Watts Cunningham (page images at HathiTrust; US access only)
• Genius and creative intelligence (Philosophical Library, 1969), by Nathaniel David Mttron Hirsch (page images at HathiTrust; US access only)
• The development of speech understanding in relation to intelligence (Child Research Clinic of the Woods Schools, 1935), by Samuel Torrey Orton (page images at HathiTrust; US access only)
• Brain function and adaptive systems : a heterostatic theory (L.G. Hanscom Field, Bedford, Massachusetts : Air Force Cambridge Research Laboratories, Air Force Systems Command, United States Air Force, 1972., 1972), by A. Harry Klopf and Air Force Cambridge Research Laboratories (U.S.) (page images at HathiTrust)
• The maze test and mental differences (Smith printing and publishing house, 1933), by Stanley David Porteus (page images at HathiTrust; US access only)
• How to raise your child's IQ. (Criterion Books, 1958), by David Engler (page images at HathiTrust; US access only)
• Anschauungen über Gehirnfunktionen. Inaugurationsrede Gehalten (Wilhelm Braumuller, 1902), by Carl Gussenbauer (page images at HathiTrust; US access only)
• Vidzhytky v liudsʹkii naturi, abo, nauka iak piznaty sebe, shchob staty diisnoiu liudynoiu ([s.n.], 1920), by Pavlo Krat (page images at HathiTrust; US access only)
• Sceptical essays (G. Allen & Unwin, 1928), by Bertrand Russell (page images at HathiTrust; US access only)
• Know thyself; a study in mental qualities (Dorrance & company, inc., 1935), by John Potts (page images at HathiTrust; US access only)
• Nubūgh (880-04 Bayrūt : al-Maṭbaʻah al-ʻIlmīyah - Ṣādir, 1921., 1921), by Labīb Riyāshī (page images at HathiTrust; US access only)
• Discussion (American Journal of Psychology, 1925), by Robert Morris Ogden and C. Spearman (page images at HathiTrust)
• Nature of mind. ([St. Cloud, Fla., 1958), by Frank Garrett Shinn (page images at HathiTrust; US access only)
• Risālah-i Shaykh-i Bū ʻAlī Sīnā (1800), by Avicenna, Ḥakīm Muḥammad Ibrāhīm, and Blacker-Wood Library of Zoology and Ornithology (page images at HathiTrust; US access only)
• Aql-O-Shuur. For Indian Girls, Boys, Ladies and Gentlemen. (880-03 Lucknow : Maṭba'-i Munshī Navāl Kishor, 1914., 1914), by Sayyid Niz̤āmuddīn (page images at HathiTrust)
• Elements of mental philosophy, embracing the two departments of the intellect and the sensibilities. (Harper & Brothers, 1843), by Thomas C. Upham (page images at HathiTrust)
• Aristoteles' Ansicht von den ethischen und intellectuellen Unterschieden der Menschen (Ho Palamēdēs, 1886), by Panagiōtēs A. Hagiosophitēs (page images at HathiTrust)
• Proteus; or, The future of intelligence (E.P. Dutton & Company, 1925), by Vernon Lee (page images at HathiTrust)
• Twins and orphans, the inheritance of intelligence (J.M. Dent, 1928), by Alexander Hamilton Wingfield (page images at HathiTrust; US access only)
• Animal intelligence. ([Gregg International Publishers Ltd.], 1884), by George John Romanes (page images at HathiTrust)
• The influence of the factor of intelligence on the form of the learning curve. (Princeton, N.J. ; and Albany, N.Y. : The Psychological review company, [1925], 1925), by G. M. Ruch (page images at HathiTrust)
• Der intellektuelle eignewert der gefühlsbeton. : ung. Ist der dualismus zwischen erkenntnis und gefühl berechtigt? (Kristiania : J. Dybwas, 1923., 1923), by Thomas Johannes Hans Lauritz Parr (page images at HathiTrust; US access only)
• Proteus : or, The future of intelligence, by Vernon Lee (Gutenberg ebook)
• Natural history of intellect, and other papers, by Ralph Waldo Emerson (Gutenberg ebook)
• Kant's gesammelte Schriften. Band V. Kritik der Urtheilskraft. (in German), by Immanuel Kant (Gutenberg ebook)
• Sound Mind: Or, Contributions to the natural history and physiology of the human intellect, by John Haslam (Gutenberg ebook)
• Idiota. English (London : Printed for VVilliam Leake, and are to be sold at the signe of the Crowne in Fleet-street, betweene the two Temple gates, 1650), by Nicholas of Cusa (HTML at EEBO TCP)
• Elementa philosophica: containing chiefly, Noetica, or things relating to the mind or understanding: and Ethica, or things relating to the moral behaviour. (Philadelphia: : Printed by B. Franklin, and D. Hall, at the new-printing-office, near the market., 1752), by Samuel Johnson, William Wollaston, and George Berkeley (HTML at Evans TCP)

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