Books about Sexual ethics (sorted alphabetically)
- Sexual Life of Our Time in Its Relations to Modern Civilization Iwan Bloch
- Sexual Life of Primitive People Hans Fehlinger
- Some Phases of Sexual Morality and Church Discipline in Colonial New England Charles Francis Adams
- Supplément au Voyage de Bougainville (French) Denis Diderot
- Task of Social Hygiene Havelock Ellis
- unwelcome child : Or, The crime of an undesigned and undesired maternity Henry Clarke Wright
- Venere ed Imene al tribunale della penitenza: manuale dei confessori (Italian) J. B. Bouvier
- What a Young Husband Ought to Know Sylvanus Stall
- What a Young Woman Ought to Know Mary Wood-Allen
- Why not? A book for every woman Horatio Robinson Storer
- Women As Sex Vendors R. B. Tobias and Mary Marcy
- Youth and Sex: Dangers and Safeguards for Girls and Boys Mary Scharlieb and Frederick Arthur Sibly