Directory of Chemical Producers: United States
Chemicals manufactured in the US indexed by company, plant location, chemical name, product group. Also published biennially in print.
DigiZeitschriften
Digital archive of German scholarly journals.
Digital Sanborn Maps
Sanborn fire insurance maps contain detailed information on urban structures, property boundaries, and streets. Provides historical information on the history, growth, and development of American cities, towns, and neighborhoods.
Digital National Security Archive
Access to a wealth of significant primary documents central to U.S. foreign and military policy since 1945. Divided into various core collections; each contains a diverse range of policy documents including presidential directives, memos, diplomatic dispatches, meeting notes, independent reports, briefing papers, White House communications, email, confidential letters, and other secret material.
Digital Dictionary of Buddhism
Has in addition to Chinese, Japanese and Korean information, also Indian, Tibetan and other references.
Dictionary of Organic Compounds
Dictionary of natural products
Dictionary of Inorganic and Organometallic Compounds
Dictionary of Drugs
Dictionary of Commonly Cited Compounds
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