Phallic Miscellanies / Facts and Phases of Ancient and Modern Sex Worship, as / Illustrated Chiefly in the Religions of India

A Text-Book of Astronomy

The Biology, Physiology and Sociology of Reproduction / Also Sexual Hygiene with Special Reference to the Male

The Mystic Will. A Method of Developing and Strengthening the Faculties of the Mind, through the Awakened Will, by a Simple, Scientific Process Possible to Any Person of Ordinary Intelligence

Text Book of Biology, Part 1: Vertebrata

Sex in Education / or, A Fair Chance for Girls

The History of the Devil / As Well Ancient as Modern: In Two Parts

Five Stages of Greek Religion

Sane Sex Life and Sane Sex Living / Some Things That All Sane People Ought to Know About Sex Nature and Sex Functioning; Its Place in the Economy of Life, Its Proper Training and Righteous Exercise

Religion and Lust / or, The Psychical Correlation of Religious Emotion and Sexual Desire

The Sex Side of Life / An Explanation for Young People