• Civilisation: Its Cause and Cure; and Other Essays
• From Adam's Peak to Elephanta : Sketches in Ceylon and India
• Love's Coming-of-Age: A series of papers on the relations of the sexes
• Marriage in Free Society
• Pagan and Christian Creeds: Their Origin and Meaning
• Sex-Love, and Its Place in a Free Society
• The Drama of Love and Death: A Study of Human Evolution and Transfiguration
• The Intermediate Sex: A Study of Some Transitional Types of Men and Women
• The psychology of the poet Shelley
• The story of Eros & Psyche (retold from Apuleius) : together with some early verses