Ford, Thomas R., Social demography. / Edited by Thomas R. Ford [and] Gordon F. De Jong. - Englewood Cliffs, N.J. : Prentice-Hall, [1970] - x, 690 p. : illus. ; 25 cm. - Prentice-Hall sociology series . Includes bibliographical references. Subjects--Topical Terms: Demography. Sociology. Dewey Class. No.: 301.3/2/08