Barringer, Herbert R., Social change in developing areas : a reinterpretation of evolutionary theory / edited by Herbert R. Barringer, George I. Blanksten and Raymond W. Mack. - Cambridge, Mass. : Schenkman Pub. Co., [1965] - 328 p. ; 23 cm. Includes bibliographical references. Subjects--Topical Terms: Social evolution. Dewey Class. No.: 309.1724