General Reference, Encyclopedias, Dictionaries, Atlases  Tags: encyclopedias dictionaries atlases reference  

Reference Sources on the Web - collections of links to web sites and multipurpose sites

• Librarian's Index to the Internet, Ready Reference and Quick Facts - sources for reliable, brief info.
• Internet Public Library, Reference - links to basic research tools.
• Know Play Reference Search - search boxes for dozens of different reference tools all on one page.
• About.com - articles that cover topics in some depth written by experts.