Clark, Grahame, 1907-1995. Prehistoric societies, [electronic resource] / by Grahame Clark and Stuart Piggott.. — [1st American ed.]. — New York, : Knopf,, 1965.. — 356 p. : illus., maps. 22 cm. — (The History of human society). Bibliography: p. [333]-340. LCCN: 64019094 Subjects--Topical Terms: Prehistoric peoples. LC Class. No.: GN741 / .C55 1965 Dewey Class. No.: 913.031