PubMed is a service of the U.S. National Library of Medicine that includes over 17 million citations from MEDLINE and other life science journals for biomedical articles back to the 1950s. PubMed includes links to full text articles and other related resources.

PubMed Central is a free digital archive of biomedical and life sciences journal literature at the U.S. National Institutes of Health (NIH), developed and managed by NIH's National Center for Biotechnology Information (NCBI) in the National Library of Medicine (NLM). With PubMed Central, NLM is taking the lead in preserving and maintaining unrestricted access to the electronic literature, just as it has done for decades with the printed biomedical literature.

MEDLINE indexes the international literature on biomedicine, including the allied health fields and the biological and physical sciences, humanities, and information science as they relate to medicine and health care.

AGRICOLA encompasses all aspects of agriculture and allied disciplines, including animal and veterinary sciences, entomology, plant sciences, forestry, aquaculture and fisheries, farming and farming systems, agricultural economics, extension and education, food and human nutrition, agricultural engineering and technology and earth and environmental sciences.

JSTOR's archival journal collections include more than two thousand journals in the humanities, social sciences, and sciences.

Data.gov captures a variety of metrics on the participation of the 165 agencies and sub-agencies and 709 publishers that supply datasets to Data.gov. For a list of organizations and agencies that provide these data sets, visit data.gov/metrics

An Environmental Impact Statement is a report required by the federal government that would detail the impacts from significant changes made to the environment. This includes records of all EISs received by the EPA since 1987, EPA comment letters on EISs since 2001, and electronic (PDF) versions of EISs received by EPA since October 2012.

Environment Complete (created by the International Academy at Santa Barbara), Environment Index offers deep coverage in applicable areas of agriculture, ecosystem ecology, energy, renewable energy resources, natural resources, marine & freshwater science, geography, pollution & waste management, environmental technology, environmental law, public policy, social impacts, urban planning, and more.

Search, retrieve, download, print, and order EPA technical, scientific, and educational materials from this site

ERIC, the Educational Resource Information Center, provides access to education literature and resources. The database provides access to information from journals included in the Current Index of Journals in Education and Resources in Education Index. ERIC provides full text of more than 2,200 digests along with references for additional information and citations and abstracts from over 1,000 educational and education-related journals.

The United Nations Statistics Division (UNSD) of the Department of Economic and Social Affairs (DESA) launched a new internet based data service for the global user community.

All dissertations, theses and published material based on theses cataloged by OCLC members, including all subjects.