Adolescence; its psychology and its relations to physiology, anthropology, sociology, sex, crime, religion and education,

Mode of access: Internet.

Early civilization; an introduction to anthropology

"Bibliographic guide": p. 416-424.

Dictionary of philosophy and psychology : including many of the principal conceptions of ethics, logic, aesthetics, philosophy of religion, mental pathology, anthropology, biology, neurology, physiology, economics, political and social philosophy, philology, physical science, and education, and giving a terminology in English, French, German, and Italian /

Mode of access: Internet.