Common Sense

The Myths and Legends of Ancient Greece and Rome

The Bible

Thoughts on Art and Life by Leonardo da Vinci

Self-Development and the Way to Power

Myths and Legends of All Nations / Famous Stories from the Greek, German, English, Spanish, / Scandinavian, Danish, French, Russian, Bohemian, Italian / and other sources

Human, All Too Human: A Book for Free Spirits

The Origin of Species by means of Natural Selection, 6th Edition

The Antichrist

Three Contributions to the Theory of Sex

Studies in the Psychology of Sex, Volume 5 / Erotic Symbolism; The Mechanism of Detumescence; The Psychic State in Pregnancy