Over 2.9 million records covering every major agricultural subject. Compiled by the National Agricultural Library of the U.S. Department of Agriculture. Covers 1970 to the present.
Journals and magazines from the U.S. and Great Britain, covering all major scientific fields. Indexing from 1984 to present, abstracting from 1993 to present.
Nearly 2 million records about geology and earth sciences. Covers 1785 to the present (North America) and 1933 to the present (entire world). Search via GeoScienceWorld or EBSCOHost.
A comprehensive internet resource for research and communications in the geosciences, built on a core database aggregation of peer-reviewed journals indexed, linked, and inter-operable with GeoRef.
Index to content from core journals in all areas of science and technology. Provides lists of sources cited, plus publications citing the original article. Also known as SCI. Covers 1900 to the present.
Indexes over 300 English-language periodicals covering anthropology, economics, political science, psychology, social work, sociology, and related fields. Covers 1983 to the present.