Clark, Wilfrid E. Le Gros 1895-1971. History of the primates : an introduction to the study of fossil man. - [Chicago] : University of Chicago Press, [1957] - 186 p. : illus. ; 21 cm. - Phoenix books, P21 . Includes bibliographies. Subjects--Topical Terms: Human evolution. Primates--Evolution. Dewey Class. No.: 569.8