Schermerhorn, R. A. 1903- Comparative ethnic relations : a framework for theory and research / R. A. Schermerhorn ; with a new pref - Chicago, Ill. : University of Chicago Press, 1978 - xxvi, 325 p. : ill., ; 22 cm. First published 1970 by Random House, New York Includes bibliographies and index Subjects--Topical Terms: Race relationsMinoritiesEthnic groups