1. 21st Century Americanism: Nationally Representative Survey of the United States Population, 2004 Bookmark Format Single study
7. Black American Perspectives [United States]: The Future of Civil Rights, November 11-25, 1991 Bookmark Format Single study
9. CBS News/New York Times Clarence Thomas Nomination Poll, September-October 1991 Bookmark Format Single study
10. Code for: Colleges and Upward Economic Mobility The Distinctive Contribution of HBCUs Bookmark Format Single study