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(1984) Iowa population projections, 1980-2000, 1984. Governor's Office
(1974) Preliminary Iowa population projection: 1970-2020, July 1974. Public Health, Department of (Health and Human Services, Department of)
(1970) Population of Iowa places, 1970. Governor's Office
(1962) 1960 County Data Book, August 1962. Iowa State University
(1962) Geographic and Residential Distribution of Iowa's Population and Change, 1950-1960, February 1962. Iowa State University
(1874) The census of Iowa, as returned in the year 1873 : showing, in detail, the population, agricultural statistics, and other items of interest / published under direction of the Executive Council, 1874. Governor's Office
(1981) Population Redistribution in the Midwest, May 1981. Iowa State University
(1980) Every Eighth Iowan prepared for the University of Iowa Committee on Aging, 1980. University of Iowa