Power of Mental Imagery / Being the Fifth of a Series of Twelve Volumes on the / Applications of Psychology to the Problems of Personal and / Business Efficiency

Self-Development and the Way to Power

Human, All Too Human: A Book for Free Spirits

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

Three Contributions to the Theory of Sex

Woman / Her Sex and Love Life