Wrigley E A Ed. Nineteenth-century society Essays in the use of q - London Cambridge University Press 1972 - 448p cm. - Cambridge Group for the History of Population and Social Structure Publication . Bibliography: p 234-241; Appendices at the end of each chapter Source: General Book Subjects--Topical Terms: Demography Dewey Class. No.: Y:5.M91<---M01, L2