Social Sciences & Business

  Google Scholar

  DOAJ (Directory of Open Access Journals)

  Internet Archive Scholar  Tutorial

  Google Books

  WorldCat.org

  Project Gutenberg

  Hathi Trust Digital Library

  DOAB (Directory of Open Access Books)

  JSTOR - Open and Free Content

Most of the high-quality business databases, including sources of company information and marketing reports, are subscription-only. Below are a few freely available alternatives. Consult your public library: many public libraries offer some business databases, and provide remote access to these resources to their members.

IDEAS/RePEC (Federal Reserve Bank of St. Louis)
Offers citations and full text of working papers, journal articles, books, and book chapters in economics. Most content is freely available to all researchers.

EconBiz  Tutorial
Offers a free search engine for journal articles, working papers, and books in economics and business studies. Most contents are freely available to all. Produced by the German National Library of Economics/Leibniz Information Centre for Economics.

Global Edge
Global business knowledge site providing access to authoritative data from Michigan State University.

USA.gov - Data and Statistics about the U.S.
Provides a gateway to statistics about the United States, gathered by the Census Bureau and many other federal agencies.

World Bank Open Data
Provides free and open access to data about development in countries around the globe.

Social Science Research Network (SSRN)  Limitations on Use
Offers abstracting and full text of working papers in a variety of social science fields. Composed of several specialized research networks, SSRN promotes rapid dissemination of early research results.

ERIC
Free web interface for ERIC, which indexes and abstracts education journals, curriculum and teaching guides, conference papers, dissertations and theses, books, and Department of Education (ED) research reports. References for ED research reports often have links to the full text. Coverage goes back to 1966. The Educational Resources Information Center (ERIC) is sponsored by the U.S. Department of Education.

National Criminal Justice Reference Service Virtual Library  Tutorial
Contains abstracts and full text of criminal justice publications, including federal, state and local government reports, books, research reports, journal articles and unpublished research. Materials added since 2014 are limited to materials published and funded by the bureaus, offices, and agencies of the U.S. Department of Justice, Office of Justice Programs. Scroll down and click Use Search Filters to access the database.

Congress.gov
Congress.gov is the official website for U.S. federal legislative information. It includes bills and resolutions, committee reports, the Congressional Record, Presidential nominations, treaties, and other related information including summary and status of legislation. The site also provides information about members of Congress, links to House and Senate committee pages, to the United States Code, and to other legislative resources. Coverage varies with the earliest citations dating back to 1973. Consult Coverage Dates for Legislative Information for the start date for each collection.

Think Tank Search
A Google Custom Search of more than 1200 think tanks and research centers.

The World Factbook (CIA)
Provides information on the history, people and society, government, economy, energy, geography, communications, transportation, military, and transnational issues for 266 world entities.