Bartleby.com: Great Books Online -- Encyclopedia, Dictionary, Thesaurus and hundreds more - thousands of free online classics of reference, literature and nonfiction

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IPL Internet Public Library Online Texts Collection

Project Gutenberg

University of Washington eServer links to philosophy texts - collection of links to published works by Aristotle, Bacon, Berkeley, Derrida, Descartes, Hume, Kant, Lao Tse, Leibniz, Nietzsche, Pascal, Plato, Rousseau, and more.