The Philosophy of Teaching / The Teacher, The Pupil, The School

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

The Philosophy of the Moral Feelings

The Psychology of Revolution

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

The Psychology of Nations / A Contribution to the Philosophy of History

A Short History of Greek Philosophy

The Principles of Masonic Law / A Treatise on the Constitutional Laws, Usages and Landmarks of / Freemasonry

The Approach to Philosophy

Five Stages of Greek Religion

Three Philosophical Poets / Lucretius, Dante, and Goethe