Almanac

Dictionaries & Thesauri

Directories

Image Libraries

• New York Public Library Image Collection
  http://digitalgallery.nypl.org/nypldigital/index.cfm

Quotations

Statistics

Multiple Resources, Encyclopedias & Comprehensive Resources
Check these comprehensive reference sources for more links to reference resources.  

• Bartleby.com
  dictionaries, thesauri, encyclopedias, almanacs...
  http://www.bartleby.com

• Librarian's Index to the Internet: Reference Desk
  http://lii.org/search/file/reference

• LibrarySpot.com
  http://www.libraryspot.com/

• ReferenceDesk.com
  http://www.refdesk.com/

• Purdue University's Quick Reference Guide
  http://www.lib.purdue.edu/eresources/readyref/

• Yahoo: Reference
  http://dir.yahoo.com/Reference/

• Wikipedia:  a multilingual project to create a complete and accurate open content encyclopedia.
  http://en.wikipedia.org/wiki/Main_Page

• The WWW Virtual Library - Reference
  http://home.istar.ca/~obyrne/