RAND, a nonprofit public policy research institution, was established after World War II to study national security. Today it also examines domestic policy problems, national defense, education and training, health care, criminal and civil justice, labor and population, community development, international relations, and regional studies.

Voluntary cooperative project that invites institutions to electronically submit working papers.

Online scholarly reviews in the social sciences and humanities.

Digital library providing open access to over 45,000 titles of digitized biodiversity, natural history, and taxonomic literature worldwide.

Large collection of free electronic books that are out of copyright.

Free access to many census and statistical publications, including user-initiated database queries, (after a simple registration).

Free, independent and non-profit access to 109 databases of Indian law.

Free, online edition of nineteenth-century periodicals and newspapers: Monthly Repository (1806-1837); Unitarian Chronicle (1832-1833); Northern Star (1838-1852); Leader (1850-1860); English Woman's Journal (1858-1864); Tomahawk (1867-1870); and Publishers' Circular (1880-1890).

New Jersey statewide portal covering a wide variety of databases including health, history, business, education, science, current events, literature and modern fiction.

Primary federal entity for collecting and analyzing data related to education in the United States. Includes some data from international surveys.