Aristotle. Politics. E-text edition of Indianapolis, IN : Hackett Pub., c1998.
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Augustine, Saint, Bishop of Hippo.  Concerning the city of God against the pagans. E-text edition of: Harmondsworth: Penguin Books, 1984, c1972. 
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http://www.columbia.edu/cgi-bin/cul/resolve?AUK3976

Casas, Bartolomé de las, 1474-1566. A short account of the destruction of the Indies. E-text edition of: London: Penguin, 1992.  Based on ed. of 1552. 
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Descartes, René, 1596-1650. Discourse on method ; and, Meditations on first philosophy. 4th ed. E-text edition of: Indianapolis: Hackett Publishing Co., c1998. First published in 1637 and 1641.
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http://www.columbia.edu/cgi-bin/cul/resolve?AVC7096

Hamilton, Alexander, 1757-1804, et al. The Federalist papers. E-text edition of:  New York, N.Y. : Mentor, c1999.
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Hillerbrand, Hans J., ed. The Protestant Reformation. E-text edition of:  New York: Harper & Row, [1968].
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http://www.columbia.edu/cgi-bin/cul/resolve?AUL4372

Hume. An Enquiry Concerning the Principles of Morals. E-text edition of: Indianapolis: Hackett, c1983.
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Ikram, S. M. Muslim Civilization in India. E-text edition of:  New York: Columbia University Press, [1964].
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Kant. Grounding for the Metaphysics of Morals.  E-text edition of: Indianapolis:  Hackett Pub. Co., c1993.
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Machiavelli, Niccolò, 1469-1527.  Selected political writings.  E-text edition of:  Indianapolis: Hackett Pub. Co., c1994.
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Marx, Karl, 1818-1883.  The portable Karl Marx.  E-text edition of: New York : Viking Press, 1983.
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Plato.  Republic.  Translated by G.M.A. Grube; revised by C.D.C. Reeve. Indianapolis : Hackett Pub. Co., c1992.
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Rossi, Alice S, ed.  The Feminist papers : from Adams to de Beauvoir.  E-text edition of:  Boston: Northeastern University Press, 1988, c1973.
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Rousseau. Basic Political Writings. 1987. 0872200477, 249p
[to come]

Smith, Adam, 1723-1790. The wealth of nations. E-text edition of New York: Modern Library, 2000.
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Wollstonecraft, Mary, 1759-1797. A vindication of the rights of men; and, A vindication of the rights of woman. E-text edition of:  Peterborough, Ont. ; Orchard Park, NY : Broadview Press, 1997.
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http://www.columbia.edu/cgi-bin/cul/resolve?AUL4617

Woolf, Virginia. Three Guineas. E-text edition of: San Diego ; New York ; London: Harvourt Brace & Co., c1938, 1966.
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https://www1.columbia.edu/sec/cu/lweb/eresources/ebooks/woolf3/