1. Gallup/CNN/USA Today Poll ( Storrs : Roper Center for Public Opinion Research , 24 September 1993 ).
2. Gallup/CNN/L/SA Today Poll ( Storrs : Roper Center for Public Opinion Research , 26 February 1994 ).
3. Princeton Survey Research Associates/Newswee/c Polls ( Storrs : Roper Center for Public Opinion Research , 23 September 1993 and 17 June 1994 ).
4. NBC News/Waii Street Journal Poll ( Storrs : Roper Center for Public Opinion Research , 5 March 1993 ).