Washburn, S. L. Social life of early man. - Chicago Aldine Publ 1961. - vii, 299 p. illus. - Viking Fund publications in anthropology no. 31 . Includes bibliographies. LCCN: 62010630 //r902 Subjects--Topical Terms: Man, PrehistoricPrimates--Behavior. LC Class. No.: GN773 / .W3 Dewey Class. No.: 573.3