In the spirit of SilkMuse's proposed "active and collective effort to rebuild", perhaps we can create here a set of useful links. Those posted in this thread will be collected into a single place, for the convenience of all.

Getting the ball rolling:

Dictionaries
http://www.bartleby.com (part of American Heritage's general reference site)
http://www.dictionary.com (includes thesaurus)

General Reference
http://www.bartleby.com

Shakespeare

Bible
http://www.biblegateway.com/cgi-bin/bible (added by edit 6/25)

More suggestions for categories or for line-items?