Hitler's Secret Backers (1933, 1986)
Sidney Warburg
Early Church
Henry Chadwick
The Moral Judgment of the Child
Piaget, Jean
Hitler's Art Thief
Susan Ronald
An Essay on the Slavery and Commerce of the Human Species, Particularly ...
Thomas Clarkson
Cultural and Linguistic Diversity: Evolutionary Approaches
James Steele & Peter Jordan & Ethan Cochrane