This web site provides a searchable directory to over 6000 freely available online bilingual and multilingual dictionaries and glossaries.
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The Library of Congress's home page, linking to an extraordinary wealth of information including the Library's catalogs and its very significant digital collections.
Access over 2,200 peer reviewed academic journals and selected books.
This site features the Society of Industrial and Applied Mathematics' e-book collection.
The SPIE Digital Library contains the world's largest collection of optics and photonics applied research. With more than 445,000 papers spanning biomedicine, communications, sensors, defense and security, manufacturing, electronics, energy, and imaging, the SPIE Digital Library is the most extensive research database available on optics and photonics research.
Synthesis is an engineering and applied science e-books collection from Morgan & Claypool, which synthesizes important engineering research or development topics in lecture series format.