Evolution, human ecology, and society / by W. Norman Richardson, Thomas H. Stubbs. Richardson, W. Norman. Stubbs, Thomas H., joint author. Human evolution. Social evolution. Human ecology. GN281.4 .R52 573.2 RIE Includes bibliographical references and index. New York : Macmillan, c1976. c1976. 1976 Text xi, 259 p. : eng