Heer, David M. Society and population / David M. Heer. - Englewood Cliffs, N.J. : Prentice-Hall, [1968]. - ix, 118 p. : ill. ; 23 cm. - Foundations of modern sociology series . Includes bibliographical references. Subjects--Topical Terms: Population.Demography. Dewey Class. No.: 304.6 / HEE