Libweb lists library information servers on the WWW.
Another listing of library catalogs from around the world that are accessible with internet.
Acclaimed Web Marketing & Design has an online listing of over 9000 U.S. Public Libraries.
The Genealogy Home page lists many of the Family History Centers, which are run by the LDS church.
The Godfrey Memorial Library in Middletown, Connecticut has a genealogy collection focusing on New England and the thirteen original colonies.