PUMS Files: U.S. Department of Commerce, Bureau of the Census. Census of Population, 1950 [United States]: Public Use Microdata Sample [computer file]. Washington, DC: United States Department of Commerce, Bureau of the Census and Madison, WI: University of Wisconsin, Center for Demography and Ecology [producers]. Codebook: A printed codebook, Census of Population, 1950 (United States): Public-Use Microdata Samples, documents the 1950 data. The codebook includes an abstract, descriptions of sample design, processing procedures and file structure, a data dictionary (record layout), category code lists, and a glossary. Electronic Data Dictionary: The data dictionary and variable listing were generously provided by the Center for Demography and Ecology, University of Wisconsin, Madison WI.