Dictionary of Philosophical Terms and Names
Includes thousands of entries, many with hyperlinks to additional essays and resource material on the major philosophers.
http://www.philosophypages.com/dy/
Guide to Philosophy on the Internet
Maintained by Peter Suber, Professor of Philosophy at Earlham College, this guide is divided into fourteen major categories, including general guides, topics, e-texts, jobs, associations, bibliographies, mailing lists, newsgroups, and philosophers.
http://www.earlham.edu/~peters/philinks.htm
The International Directory of OnLine Philosophy Papers
Includes about 500 publications and pre-prints submitted by philosophers working at academic institutions.
http://philosophy.hku.hk/paper/
The Internet Encyclopedia of Philosophy
An online compendium of information about philosophy which can be searched by keyword or browsed via a timeline of philosophical movements and thinkers. Also included is a selection of texts which can be read online or downloaded.
http://www.utm.edu/research/iep/
John Stuart Mill Links
"A compilation of links to works by and about Mill, including full-text versions of such works as On Liberty, Principles of Political Economy, and his Autobiography."
http://www.utilitarian.net/jsmill/
Philosophy Pages
This site, maintained by Garth Kemerling provides many resources for the study of Western philosophy. These include a dictionary of terms, a history of Western philosophy, a timeline, discussions of individual philosophers, a study guide, and links to related sites.
http://www.philosophypages.com/
Virtual Library: Philosophy
A categorical listing of links to philosophy resources.
http://www.bris.ac.uk/philosophy/department/resources/virtual.html