1. Census of population and housing, 1990 (United States) [electronic resource] : summary tape file 2A. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2003. Data file Physical Online ReCAP HA201 1990ac Loading...
2. Census of population and housing, 1990 (United States) [electronic resource] : public use microdata sample: 1-percent sample. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 1998. Data file Physical Online Forrestal Annex HA201 1990an Loading...
3. Record of American democracy, 1984-1990 [electronic resource] / principal investigators, Gary King ... [et al.]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research, [1998]. Data file Online
4. 103rd Congressional District Geographic Entity File, 1990 [electronic resource] : [United States] / United States Department of Commerce. Bureau of the Census Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 1995. Data file Online
5. Census of population and housing, 1990 (United States) [electronic resource] : summary tape file 420, place of work 20 destinations file. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 1994. Data file Physical Online Forrestal Annex HA201 1990af Loading...
6. Census of population and housing, 1990 (United States) [electronic resource] : modified age/race, sex and hispanic origin (MARS) states and counties file. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 1992. Data file Physical Online Forrestal Annex HA201 1990av Loading...