Not available after 3/31/2023
iPOLL is a public opinion/polling database of 500,000+ questions and answers on a wide range of topics collected by the Roper Center for Public Opinion Research. The database also provides access to downloadable datasets for statistical analysis (free account required). Some international coverage. Data covers 1935-present

Database of legal and government resources, including laws, regulations, some trials and court reports, treaties, monographs, and a variety of other materials covering United States and foreign law. Coverage includes private and public international law, intellectual property and legal history. Includes full text image-based searchable database of legal periodicals. Database coverage for each periodical is from the beginning issue to the most current allowed under contract. New and updated material added frequently.

Statista provides access to statistics and studies gathered by market researchers, trade organizations, scientific publications, and government sources on over 600 industries.

Now permanent!!! as of January 2022
An online (no software installation needed) U.S. national data and mapping tool and analytics platform with multidisciplinary applications for college students and faculty. Undergraduate and graduate schools use us in their curriculum and research related to social sciences, urban studies, real estate and housing analysis, community and economic development, public administration, public health, policy and political science, education, business, economics, statistics, and geography, among others. Users can leverage thousands of U.S. data indicators in PolicyMap to perform demographic and socioeconomic analysis, from a neighborhood census block group in many cases, up to a national level, as well as create custom regions, for their research and studies.
Look for Blog Posts, Customer Stories, and sample Maps, Tables, and Reports.

Designed to guide users to the content they need to learn a little or a lot about their method, SAGE Research Methods includes more than 1000 books, reference works, journal articles, and instructional videos by world-leading academics from across the social sciences, including the largest collection of qualitative methods books available online from any scholarly publisher. The Methods Map can help those less familiar with research methods to find the best technique to use in their research.