Elements of Chemistry, / In a New Systematic Order, Containing all the Modern Discoveries

Advanced Chemistry

Taboo and Genetics / A Study of the Biological, Sociological and Psychological Foundation of the Family

A Text-Book of Astronomy

The Symbolism of Freemasonry / Illustrating and Explaining Its Science and Philosophy, Its Legends, Myths and Symbols

An Elementary Study of Chemistry

The Einstein Theory of Relativity

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

Astronomy for Amateurs

Text Book of Biology, Part 1: Vertebrata