National Journal Group's Policy Central Poll Track... research public opinion with the largest database of over 5,000 public opinion surveys on political races, important issues and national figures.
ICPSR (Inter-University Consortium for Political and Social Research) Provides access to the world's largest archive of digital social science data sets. Users must set up an account while on campus, then register in order to download data sets.
Gallup Brain The Gallup Brain is a searchable, living record of 70 years of public opinion. Inside, you'll find answers to more than 136,000 questions, and responses from more than 3.5 million people interviewed by The Gallup Poll since 1935.
LexisNexis Academic Good results can often be found by choosing "General News Topics," then "Major Newspapers" or "Transcripts."