12. Black American Perspectives [United States]: The Future of Civil Rights, November 11-25, 1991 Bookmark Format Single study
13. Black Lives Matter: 80 Years of Black Americans’ Public Opinion and How the U.S. Public Views Black America (Roper Center) Bookmark Format Data archive or collection
17. CBS News/New York Times Clarence Thomas Nomination Poll, September-October 1991 Bookmark Format Single study
20. Children of Immigrants Longitudinal Study (CILS), San Diego, California, Ft. Lauderdale and Miami, Florida, 1991-2006 Bookmark Format Series - ongoing