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Oxford English Dictionary
Find the meaning, history and pronunciation of more than a half million words, both present and past.

Merriam-Webster Dictionary 
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Encyclopedias & handbooks

Wiley Online Library
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Britannica Online Academic Edition
Find authoritative reference materials covering art, biographies, history, literature, maps, sports, statistics, and more.

Gale Virtual Reference Library 
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CRC Handbook of Chemistry and Physics
Access the most frequently used data in science.