Journals, monographs, theses, patents, software, audio-visual materials, and technical reports; all aspects of agriculture and allied disciplines, from National Agricultural Library. Dates of Coverage: 1970 - Present
Endangered and threatened plants and animals are listed by region of the U.S.A. Information provided includes species' life history, habitat, recovery plan, resources for more data, images, video, audio clips, nd more. State and County lists are included.
The most comprehensive index for biomedical literature, plus dozens of specialized databases for genomics, proteins, nucleotides, etc., and the National Library of Medicine catalog. Dates of Coverage: 1950-present