Academic Search Premier provides full text for over 4,650 periodicals covering the social sciences, humanities, general science, multi-cultural studies, education, etc.

Produced by the American Geological Institute, this database is a comprehensive geoscience database containing over 2.2 million bibliographic records from more than 3,000 journals and other sources. GeoRef provides coverage in subject areas such as mineralogy and crystallography, general mineralogy, mineralogy of silicates, and mineralogy of non-silicates.

JSTOR is a not-for-profit organization with a dual mission to create and maintain a trusted archive of important scholarly journals, and to provide access to these journals as widely as possible. Content in JSTOR spans many disciplines, primarily in the humanities and social sciences. For complete lists of titles and collections, please refer to http://www.jstor.org/about/collection.list.html.

ScienceDirect is an information source for scientific, technical, and medical research. It is searched using the Scirus search engine. Scirus is one of the most comprehensive science-specific search engine available on the Internet. Driven by the latest search engine technology, it enables scientists, students and anyone searching for scientific information to chart and pinpoint data, locate university sites and find reports and articles quickly and easily. It was launched by Elsevier Science, an international publisher of scientific information.

Bibliographic references to important journals in the fields of physical and human geography, geology, mineralogy, ecology and development studies.

The U.S. Government Printing Office disseminates official information from all three branches of the Federal Government.

FS INFO is an index of natural resources publications, including Forest Service literature, from the late 1800's to the present.

ingenta.com is a comprehensive multi-disciplinary document delivery service. From the home page it is possible to search across more than 27,000 publications, including more than 5,400 electronic journals from more than 190 publishers. Researchers can access publications and articles as subscribers, or on a pay-per-view basis. Publications and articles are available in downloadable electronic format, or as fax or Ariel documents.

Provides access to the full text of approximately 168 scholarly journals in a variety of disciplines including life sciences, medicine, physical sciences, humanities, social sciences, mathematics, and law.

Full-text journal articles in science, medicine, engineering, economics, architecture, construction and transport. Includes more than 1,100 peer-reviewed journals, comprising more than 600,000 individual documents. Most titles include complete back issues to 1996, with digital conversion of all back issues under way. SpringerLink now includes Kluwer Journals. Articles may be retrieved in PDF and HTML formats.

Wiley InterScience provides online access to nearly all of the 400 scientific, technical, medical and professional journals published by John Wiley & Sons.