General Search Tools

Library and Museum Collections

• Library of Congress
• Digital Public Library of America
• New York Public Library
• The British Library
• Cambridge Digital Library
• The Met Collection
• The Smithsonian Open Access
• LUX: Yale Collections
• Mercyhurst Library Guides

Online Lending Libraries

• That All May Read (National Library Service for the Blind and Physically Handicapped)
• Project Gutenberg- free eBooks
• LibriVox- free audioBooks
• Open Library- free eBooks

Interdisciplinary Sites

• PBS Learning Media
• Biography
• Academy of Achievement 
• Valossa Video Search 

Ready Reference

• Thesaurus.com
• Your Dictionary