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The academic alternative to Wikipedia! Provides access to nearly 500 encyclopedias and dictionaries. Search by concept map. Includes thousands of searchable images.
Online version of the 10-volume, 2nd edition of Macmillan's standard encyclopedia (2006). An excellent starting point for research on topics related to philosophy.
Authoritative information on medicine, nursing, dentistry, veterinary medicine, the health care system, and pre-clinical sciences, plus full text for more than 1,470 journals indexed in MEDLINE.