A comprehensive collection of scholarship focusing on the lives and events which have shaped African American and African history and culture. Includes major reference works, biographies, bibliographies, primary source documents, images, maps, and other supplementary material.
Materials relating to all aspects of agriculture forestry and animal science.
Declassified government documents central to U.S. foreign policy, intelligence, and security since 1945.
Geology and earth sciences literature
GEOSCAN is the bibliographic database for scientific publications of the Earth Sciences Sector (ESS) of Natural Resources Canada.
"HathiTrust is a partnership of academic & research institutions, offering a collection of millions of titles digitized from libraries around the world."--HathiTrust Website
U.S. Government publications
U.S. National Institutes of Health (NIH) free digital archive of biomedical and life sciences journal literature.
House & Senate Documents and Reports also includes the pre-1817 American State Papers. In addition many executive branch materials historical maps illustrations etc.