= Multiple sources | Web of Knowledge (Web of Science)
Web of Science is part of ISI's Web of Knowledge which also includes Arts & Humanties and Social Sciences citation databases. | |||
| 1900-present |  | |||
| WebWISER
WISER provides information for hazardous material incidents | ||||
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| Wellcome Images
A database of images depicting 2,000 years of mankind and medicine. | ||||
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| WHO Statistical Information System (WHOSIS)
Selected Health and Health-Related Statistical and Epidemiologic | ||||
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| WhoNamedIt.com
The World's Most Comprehensive Database of Medical Eponyms | ||||
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| Wiley InterScience Reference Works
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| Wiley InterScience Reference Works | | |||
| Wiley Online Library
Wiley-Blackwell Online Journals, Books, Databses & Lab Protocols | |||
| Wiley-Blackwell (Blackwell Synergy) | | |||
| Women's Studies International
Covers several bibliographic women's studies databases in the core disciplines | |||
| NISC | | |||
