http://search.grainger.illinois.edu/libguides/reference.asp

Reference Databases

• Gale Virtual Reference
• Grove Music Online
• Grove Art Online
• Oxford Dictionary of American Literature
• Oxford Dictionary of the Renaissance
• Oxford Dictionary of British Literature
• Oxford Dictionary of Economic History
• Oxford Dictionary of the Reformation
• McGraw-Hill Access Engineering
• CREDO Reference

Catalogs

• University of Illinois Library Catalog
• I-Share Library Catalog
• Springer E-Books     
• Elsevier E-Books   
• Google Books   
• Hathi Trust E-Books   
• IDEALS
• Center for Research Libraries

Electronic Holdings Databases

• Online Research Resources (ORR) Titles     
• Discover--E-Resources A to Z List

Web Search Engines

• Google   
• Bing   
• Google Scholar   
• Scirus Academic Web Search