The Biodiversity Heritage Library (BHL) is a produced by a consortium of 12 major natural history museum libraries, botanical libraries, and research institutions organized to digitize, serve, and preserve the legacy literature of biodiversity.
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Provides direct access to a widely scattered collection of original medieval manuscripts that describe travel - real and imaginary - in the Middle Ages. This resource is provided by Adam Matthew.
METADEX is the only comprehensive source for information on metals and alloys. Begun in 1966, METADEX contains over 1 million references and is the database equivalent of Metals Abstracts and Index.
Contains records drawn from the World's literature on meteorology, climatology, atmospheric chemistry and physics, astrophysics, hydrology, glaciology, physical oceanography and environmental sciences.