Howell, Francis Clark. Early man / by F. Clark Howell and the editors of Time-Life Books. - New York : Time-Life Books, [c1970] - 200 p. : illus. (part fold. col.), ports. ; 28 cm. - Life nature library . Bibliography: p. 193. Subjects--Topical Terms: Human evolution. Prehistoric peoples. Dewey Class. No.: 573/.2