Peacock, James L. The human direction : An evolutionary approach to social and cultural anthropology / James L. Peacock, A. Thomas Kirsch. - 2nd ed. - New York : Appleton-Century-Crofts, [1973]. - xvi, 351 p. 21 cm. Bibliogr.: p. 315-335. ISBN: 0390698857 Subjects--Topical Terms: EthnologySocial evolution