U.S. and international public opinion polls and datasets. Information about Dataset Formats and Tools is available. (Coverage: 1935 --)
Statistical tables and charts covering various aspects of social, political, and economic life. Emphasis is on the U.S., but some tables cover regions, states, cities, and comparative international statistics. (Coverage: 1878 --)
Statistical data about the U.S. from Colonial times to the present. Each topic is placed in historical context by a recognized expert in the field. (Coverage: Colonial --)
A global market research database providing statistics, analysis, reports, surveys and breaking news on industries, countries and consumers.
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Directories are a great resource for browsing for authoritative organizations that might collect the information you need.