Description: Papers of Harvey M. Choldin (1939-  ), professor of Sociology (1969-1997), including research materials, publications, lectures, and correspondence relating to the social implications of the 1980 U.S. Census results (especially the question of an undercount), to areas of urban sociology (especially housing and density), and to population and family planning; teaching and curriculum development materials; and materials relating to Choldin's work (1979-1981) on the Champaign Center City Commission. Also included are materials from the period that Choldin served as a demographic analyst (1963-1965) for the Population Council at the Pakistani Academy for Rural Development in Comilla, Pakistan.