- Studies in the Psychology of Sex, Volume 1: The Evolution of Modesty; The Phenomena of Sexual Periodicity; Auto-ErotismAuthor: Havelock EllisLanguage: English
- Studies in the Psychology of Sex, Volume 2: Sexual InversionAuthor: Havelock EllisLanguage: English
- Studies in the Psychology of Sex, Volume 3: Analysis of the Sexual Impulse; Love and Pain; The Sexual Impulse in WomenAuthor: Havelock EllisLanguage: English
- Studies in the Psychology of Sex, Volume 4: Sexual Selection In ManAuthor: Havelock EllisLanguage: English
- Studies in the Psychology of Sex, Volume 5: Erotic Symbolism; The Mechanism of Detumescence; The Psychic State in PregnancyAuthor: Havelock EllisLanguage: English
- Studies in the Psychology of Sex, Volume 6: Sex in Relation to SocietyAuthor: Havelock EllisLanguage: English
- Taboo and geneticsAuthor: Melvin M. (Melvin Moses) Knight, Phyllis Blanchard, Iva Lowther PetersLanguage: English
- Youth and Sex: Dangers and Safeguards for Girls and BoysAuthor: Mary Scharlieb, Sibly, Frederick ArthurLanguage: English