General social surveys, 1972-2000 cumulative file /

by Davis, James A.
Chicago, IL : Storrs, Ct : Ann Arbor, MI : National Opinion Research Center [producer] ; Roper Center for Public Opinion Research, University of Connecticut ; Inter-university Consortium for Political and Social Research [distributors], 2001
3rd version.

Panel study of income dynamics

Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 1980

Current population survey.

Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 1987