The Group Mind / A Sketch of the Principles of Collective Psychology

The Sexual Question / A Scientific, psychological, hygienic and sociological study

The World's Greatest Books — Volume 13 — Religion and Philosophy

Harvard Psychological Studies, Volume 1 / Containing Sixteen Experimental Investigations from the Harvard Psychological Laboratory

The World's Greatest Books — Volume 14 — Philosophy and Economics

Talks To Teachers On Psychology; And To Students On Some Of Life's Ideals

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

Applied Psychology for Nurses

Miracles and Supernatural Religion

Reincarnation and the Law of Karma / A Study of the Old-New World-Doctrine of Rebirth, and Spiritual Cause and Effect

The Philosophy of the Moral Feelings