philosophy links

"Here are versions of some classics of early modern philosophy, and a few from the 19th century, prepared with a view to making them easier to read while leaving intact the main arguments, doctrines, and lines of thought."
Keywords: philosophy, reference, texts

Condensed philosophers!
Keywords: philosophy, reference, notes

SparkNotes on a large number of philosophy texts.
Keywords: philosophy, notes, reference

Excellent online resource, maintained by experts.
Keywords: philosophy, encyclopedia, reference