Geology 

The GeoRef database covers the geology of North America from 1693 to the present and the geology of the rest of the world from 1933 to the present. The database includes references to all publications of the U.S. Geological Survey. Masters' theses and doc

Multidisciplinary sciences, with some humanities and social sciences. Scholarly journals Elsevier Full text, selected Dates vary

Information gathered from thousands of scholarly journals in all areas of research. Includes Science Citation Index Expanded and Social Sciences Citation Index. Unique feature: ability to search citations to a person's work in footnotes and bibliographies

GEOREF, Life sciences, environmental and aquatic sciences, computer sciences, materials sciences and engineering, aerospace; also includes a few social sciences databases, such as Sociological Abstracts, ERIC, and Linguistics and Language Behavior.

The Paleobiology Database is an international scientific organization run by paleontological researchers from many institutions that brings together taxonomic and distributional information about the entire fossil record of plants and animals.

Digital repository for records and research; includes senior theses.

Full-text of core journals from the Geological Society of America, Geological Society of London, Mineralogical Society of America, and other highly respected professional organizations in the geosciences.