Converse, Philip E., et al. American Social Attitudes Data Sourcebook, 1947-78. Cambridge: Harvard University Press, 1980.

Eagleton Poll Archive [online]. [New Brunswick, NJ]: Rutgers University, n.d. [cited 15 October 2005]. Available from: http://scc.rutgers.edu/eagleton/.
Provides survey data and questionnaires from Eagleton's quarterly statewide polls of New Jersey residents on matters of political and social interest. Coverage: 1971-present.

Gallup Brain [Commercial Database]. Washington, D.C. : Gallup Organization, 2003- . Offers the most efficient way of accessing Gallup Poll data from 1935 to the present.

Researchers who do not have access to Gallup Brain can use one or more of the following publications.

The Gallup Poll: Public Opinion. Wilmington: Scholarly Resources, 1979- . Annual.
Retrospective coverage:

The Gallup Poll: Public Opinion, 1935-1971. 3 Vols. New York: Random House, 1972.

The Gallup Poll: Public Opinion, 1972-1977. 2 Vols. Wilmington: Scholarly Resources, 1978.

IPOLL [The Roper Center]

Wood, Floris W. An American Profile: Opinions and Behavior, 1972-1989. Detroit : Gale Research, c1990.