1. CBS News monthly poll #2, August 1992 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2009-04-03. Data file Online
2. CBS News monthly poll #2, July 1992 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2009-01-20. Data file Online
3. CBS News monthly poll #2, October 1992 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2009. Data file Online
4. CBS News monthly poll #2, September 1992 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2009. Data file Online
5. CBS News State of the Union poll, September 1990 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2009. Data file Online
6. ABC News/Washington Post poll #2, October 1991 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2008. Data file Online
7. ABC News/Washington Post poll, June 1989 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2008. Data file Online
8. ABC News/Washington Post poll, June 1991 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2008. Data file Online
9. ABC News/Washington Post poll, June 1992 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2008. Data file Online
10. ABC News/Washington Post poll, March-April 1989 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2008. Data file Online
11. ABC News/Washington Post poll, May 1989 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2008. Data file Online
12. ABC News/Washington Post poll, May 1990 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2008. Data file Online
13. ABC News/Washington Post poll, September 1989 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2008-04-07. Data file Online
14. ABC News/Washington Post poll #1, October 1991 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2007. Data file Online
15. ABC News/Washington Post poll #2, September 1990 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2007. Data file Online
16. Youth Attitude Tracking Study (YATS) (United States) , fall 1992 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2007. Data file Online
17. ABC News/Washington Post poll, December 1991 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2006. Data file Online
18. ABC News/Washington Post poll, December 1992 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2006. Data file Online
19. ABC News/Washington Post poll, February 1989 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2006. Data file Online
20. ABC News/Washington Post poll, February 1990 [electronic resource]. Ann Arbor, Mich. : Inter-university Consortium for Political and Social Research [distributor], 2006. Data file Online