yourDictionary.com
Comprehensive index of on-line dictionaries in more than 200 different languages. Includes an index of on-line grammars, word of the day by email, and several pages of linguistic fun. http://www.yourdictionary.com/
Digital Library Project
A University of Pennsylvania selection of digital library collections, exhibits, and finding aids prepared by digital librarians. Includes a section on obscure texts by women writers. http://digital.library.upenn.edu/