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University of Southern MaineLibraries

Online Reference Resources

Reference resource guide

Welcome to Online Reference Resources

This LibGuide has links to both online subscription sources (paid for by USM Libraries with your tuition money) as well as a number of free online sources. To access everything, be sure to sign into the MyUSM portal.

Dictionaries and Almanacs

General Online Reference Sources

USM owned E-book Encylopedias

Facts and Stats

Government Information