Provided by the Roper Center for Public Opinion Research at Cornell University, Roper iPoll is the largest collection of public opinion poll data with results from 1935 to the present. Roper iPoll contains nearly 800,000 questions and over 23,000 datasets from both U.S. and international polling firms. Surveys cover any number of topics including, social issues, politics, pop culture, international affairs, science, the environment, and much more. When available, results charts, demographic crosstabs and full datasets are provided for immediate download.

Written by experienced journalists, footnoted and professionally fact-checked. CQ Researcher provides in-depth coverage of the most important issues of the day.

Newspaper Source Plus provides selected full text for over 200 regional U.S. newspapers, international newspapers, newswires, newspaper columns and other sources as well as indexing and abstracts for national newspapers. This database is updated daily.