Content subject areas include millions of documents from thousands of sources, covering research and subject areas like these: Arts, Business, Health & Medicine, History, Literature & Language, Science & Technology, and Social Sciences. Types of content sources include access to current and historical documents from sources like these: Newspapers, Dissertations and theses (ProQuest is the official digital dissertations archive for the Library of Congress), Scholarly journals, Television and radio broadcasts, Wire service and press releases, Company annual reports and snapshots, Books, Government documents and archives and Maps.  Contact OGS for Login Details

Tennessee Electronic Library: Multi-disciplinary index to news and periodical articles. Includes business, computers, current events, economics, education, environmental issues, health care, hobbies, humanities, law, literature and art, politics, science, social science, sports, technology, and general interest topics. Millions of full-text articles, many with images. Updated daily. Coverage: 1980-.   Contact OGS for Login Details 

The APS Archive of Teaching Resources is a digital library of peer-reviewed science teaching resources that is free and open to educators worldwide. The Archive contains more than 2,200 peer-reviewed teaching resources including audiovisual materials, lesson plans, teaching journal articles, and scientific content materials. No password required.

ProQuest Dissertations & Thesis (PQDT) Open provides the full text of open access dissertations and theses free of charge.  You can quickly and easily locate dissertations and theses relevant to your discipline and view the complete text in PDF format.  The authors of these dissertations and theses have opted to publish as open access.  No password required.

County Business Patterns provides annual economic profiles of business and industry by county, state, and the United States. Includes statistics, by industry, on employment, payroll, and number of establishments, arranged by SIC and NAICS code. No password required. 

The Directory of Open Access Journals provides over 4216 open access journals (1500 of which are searchable at the article level) which includes large collections in biology, education, health sciences, history, library and information science, mathematics and the social sciences.  No password required.

Open Access Theses & Dissertations (OATD.org) aims to be the best possible resource for finding open access graduate theses and dissertations published around the world.  Metadata (information about the theses) comes from over 1100 colleges, universities, and research institutions.  OATD currently indexes 4,241,688 theses and dissertations.  No password required.

EarthTrends is a comprehensive online database, maintained by the World Resources Institute that focuses on the environmental, social, and economic trends that shape our world.  No password required.

Intute is a free online service, highlighting the very best web resources for education and research. Content is organized into four subject-specific databases, Science and Technology, Arts and Humanities, Social Sciences, and Health and Life Sciences; the databases can be searched singly or in combination. All resources have been evaluated for quality and relevance by subject specialists and professionals from the Intute consortium of seven universities in the United Kingdom. Search results include website reviews, with review dates. Links open in a separate browser window. No password required.  

OAIster is a combined library catalog describing the digital collections of a number of libraries. Digital resources can range from an old-time advertisement of electric refrigerators (from the Library of Congress American Memory project) to Harriet Beecher Stowe memoirs (from the University of Michigan Digital Library Production Service Making of America collection). This resource provides access to resources from the “deep web” that are not normally returned by search engines such as Google and Yahoo. Some resources linked may have restricted access.  No password required.

The Online Library of Liberty is where electronic versions of classic books about individual liberty are stored. These texts go back some 4,000 years and cover the disciplines of economics, history, law, literature, philosophy, political theory, religion, war and peace. They are in a variety of formats – facsimile PDFs so scholars can view the original text, HTML for ease of searching and attractive layout, and text-based PDF EBooks for personal use. The Library also contains bibliographic information about the books as well as other “metadata” about the authors and editors. No password required. 

The PolicyArchive is digital archive of global, non-partisan public policy research includes summaries and full texts, videos, reports, briefs, and multimedia material of think tank, university, government, and foundation-funded policy research. No password required. 

The Political Database of the Americas contains information about institutions and political processes, national constitutions, branches of government, elections, political constitutional studies, and other subjects related to the strengthening of democracy in the Americas. It contains 1,500 pages of information on 35 countries in the Western hemisphere.  No password required.

The World Factbook is produced by the US Central Intelligence Agency and provides information on the history, people, government, economy, geography, communications, transportation, military, and transnational issues for 266 world entities. The Reference tab includes: maps of the major world regions, as well as Flags of the World, a Physical Map of the World, a Political Map of the World, and a Standard Time Zones of the World map.  No password required.