TopLinks: Philosophy

Internet Encyclopedia of Philosophy
http://www.iep.utm.edu/
The Internet Encyclopedia of Philosophy (IEP) "was founded in 1995 . . . to provide open access to detailed, scholarly information on key topics and philosophers in all areas of philosophy."

Philosophy Collection
http://philosophy.eserver.org/
The Philosophy on the Eserver collection "contains canonical philosophic texts and links to scholarly philosophic organizations."

Plato's Middle Period Metaphysics and Epistemology
http://plato.stanford.edu/entries/plato-metaphysics/#13
This Stanford Encyclopedia of Philosophy entry on Plato’s metaphysics and epistemology puts his famous cave analogy in the context of his philosophical thought about what there is and how we know it.

Stanford Encyclopedia of Philosophy
http://plato.stanford.edu/
The Stanford Encyclopedia of Philosophy provides very thorough definitions of topics ranging from contractarianism, convention, and feminist ethics to war and zombies, many with bibliographies and links to other sources.