Wrigley, E.A. Population and history [by] E. A. Wrigley. - New York McGraw-Hill [1969] - 256 p. illus., maps. 20 cm. - World university library . Bibliography: p. 243-249. LCCN: 68013142 //r86 Subjects--Topical Terms: Demography--History.Population--History. LC Class. No.: HB881 / .W7 Dewey Class. No.: 312/.09