Bibliomania
http://www.bibliomania.com
Full text of lots of public domain books.
The Dialectizer
http://www.rinkworks.com/dialect/
Type in or paste a sample of Standard English and see it transformed instantly into any of these dialects: Moron, Redneck, Jive, Cockney, Elmer Fudd, Swedish Chef, or Pig Latin. Loads of fun!
The English Server
http://www.eserver.org
Housed at Carnegie Mellon University, this site makes available many literary texts online, as well as literary commentary. The Literacy and Education link is useful.
Famous Quotes and Quotations
http://startpage.com/html/quotations.html
Includes links to Bartletts (old and new versions) plus many specialized resources, such as quotes from Mark Twain, Einstein, and others.
Internet Public Library
http://www.ipl.org
Offers the full texts of many classics, including children's literature, mostly in the public domain.
Internet Search Tool for Children
http://www.rcls.org/ksearch.htm
Links to search sites screened for children's safety.
No Sweat
http://www.nosweat.com
Offers access to an online encyclopedia and other research tools for kids. Also contains a list of experts to e-mail with questions.
Onelook Dictionaries
http://www.onelook.com
Impressive online dictionary source that contains more than 3 million words.
Project Gutenberg
http://sailor.gutenberg.org/by-title.html
Online versions of thousands of public domain works. Fine literature digitally re-published.
Research-It!
http://www.itools.com/research-it/research-it.html
Online dictionary (Webster's), rhyming dictionary, thesaurus, maps, telephone directories, etc.
WordNet - A Lexical Database for English
http://www.cogsci.princeton.edu/~wn/
Princeton University's online thesaurus that groups nouns, verbs, adjectives, and adverbs in related categories.