Zelinsky, Wilbur A prologue to population geography / Wilbur Zelinsky - Englewood Cliffs : Prentice-Hall , 1966 - ix, 150p. : ill. ; 21 cm. - Foundations of economic geography series . Includes bibliographical references and index. Subjects--Topical Terms: DemographyPopulation Dewey Class. No.: 312 / ZEL