Clever Hans / (The horse of Mr. Von Osten): A contribution to experimental / animal and human psychology

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

The Wonders of Instinct / Chapters in the Psychology of Insects

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