Search Results Use the search box below to revise your search, or start a new search. Studies (3) Variables Publications Your query returned 3 studies. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Augmented Individual Income Tax Model Exact Match File, 1972 (ICPSR 7667) Social Security Administration 2. Demographic Characteristics of the Population of Detroit, 1850-1880 (ICPSR 31) Vinyard, Jo Ellen 3. Indiana Voter: Nineteenth Century Rural Bases of Partisanship, 1870 (ICPSR 30) Hammarberg, Melvyn A.