| title | creator | language | description | tableOfContents | contributor | subject | created |
| A Psychological Counter-Current in Recent Fiction | Howells, William Dean, 1837-1920 | en | | | | Literature -- Criticism and interpretation; Fiction; Authors, American | 1996-11-01 |
| Illusions
A Psychological Study | Sully, James, 1842-1923 | en | | | | | 2006-02-21 |
| The Beautiful
An Introduction to Psychological Aesthetics | Lee, Vernon, 1856-1935 | en | | | | Psychology, Applied; Aesthetics; Form (Aesthetics) | 2008-10-17 |
| Taboo and Genetics
A Study of the Biological, Sociological and Psychological Foundation of the Family | | en | | | | | 2004-12-11 |
| A Problem in Modern Ethics
being an inquiry into the phenomenon of sexual inversion,
addressed especially to Medical Psychologists and Jurists | Symonds, John Addington, 1840-1893 | en | | | | | 2010-05-29 |
| Harvard Psychological Studies, Volume 1
Containing Sixteen Experimental Investigations from the Harvard Psychological Laboratory. | Various | en | | | Münsterberg, Hugo, 1863-1916 [Editor] | | 2005-07-12 |
| The Sexual Question
A Scientific, psychological, hygienic and sociological study | Forel, Auguste, 1848-1931 | en | | | Marshall, C. F. (Charles Frederic), 1864-1940 [Translator] | | 2009-09-04 |
| The Photoplay
A Psychological Study | Münsterberg, Hugo, 1863-1916 | en | | | | | 2005-03-16 |