Books in Psychology (sorted alphabetically)
- Psychology of Revolution Gustave Le Bon
- Psychotherapy Hugo Münsterberg
- Science of Human Nature: A Psychology for Beginners William Henry Pyle
- Studies in the Psychology of Sex, Volume 1 Havelock Ellis
- Studies in the Psychology of Sex, Volume 2 Havelock Ellis
- Studies in the Psychology of Sex, Volume 3 Havelock Ellis
- Studies in the Psychology of Sex, Volume 4 Havelock Ellis
- Studies in the Psychology of Sex, Volume 5 Havelock Ellis
- Studies in the Psychology of Sex, Volume 6 Havelock Ellis
- Study of Association in Insanity Grace Helen Kent and A. J. Rosanoff
- Talks To Teachers On Psychology; And To Students On Some Of Life's Ideals William James
- Ten Thousand Dreams Interpreted; Or, What's in a Dream Gustavus Hindman Miller
- Three Contributions to the Theory of Sex Sigmund Freud
- Trained Memory Warren Hilton
- Über Psychoanalyse: Fünf Vorlesungen (German) Sigmund Freud
- Unconscious Memory Samuel Butler
- Untroubled Mind Herbert J. Hall