Access during COVID-19

Weaver Library is open Sunday through Thursday 9am-9pm, and Friday and Saturday 9am-5pm. You can also contact us by chat, text, and email during those hours. We’re providing limited services in the Main Library lobby. The Health Sciences Library is open to Health Sciences affiliates. Learn more about access during COVID-19.

Find dictionaries & encyclopedias

Browse our research guides to find reference materials in your discipline


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

Merriam-Webster Dictionary 
Find pronunciation, etymology, date, function, and definitions. Offers alternative words if your entry is misspelled.

Encyclopedias & handbooks

Wiley Online Library
Search subject-specific reference handbooks and guides.

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

Gale Virtual Reference Library 
Search subject encyclopedias and other reference works. Select the title list at the top of the screen to see a list of the titles included.

CRC Handbook of Chemistry and Physics
Access the most frequently used data in science.