General Reference & Encyclopedias
Data Axle Reference Solutions, formerly known as Reference USA Business and residential directories containing detailed information on more than 14 million U.S. businesses and employers; 89 million U.S. residents; 855,000 U.S. health care providers, and more.
Gale Virtual Reference Library Easily search topics in reference e-books across a wide variety of subjects
Encyclopedia.com Search over 100 encyclopedias and dictionaries
Stanford Encyclopedia of Philosophy Organizes scholars from around the world in philosophy and related disciplines to create and maintain an up-to-date reference work