Pelto, Gretel H. The human adventure : an introduction to anthropology / Gretel H. Pelto and Pertti J. Pelto. - New York : Macmillan , c1976. - x, 579 p. : ill. ; 24 cm. Includes index. Bibliography: p. 560-572. ISBN: 0023935502 Subjects--Topical Terms: Anthropology. Dewey Class. No.: 301.2 / PEL