International encyclopedia of population / editor in chief, John A. Ross (Center for Population and Family Health, International Institute for the Study of Human Reproduction, Faculty of Medicine, Columbia University). Ross, John A., 1934- International Institute for the Study of Human Reproduction. Center for Population and Family Health. Population Encyclopedias. HB849.2 .I55 1982 304.603 ROI Includes bibliographies and index. New York : Free Press, c1982. c1982. 1982 Text 2 v. (xxiii, 750 p.) : eng