Russell, Bertrand, 1872-1970
The problems of philosophy
Oxford University Press, 1912
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The philosophy of history
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Studies in Philosophy And The History of philosophy
edited by John K. Ryan
The Catholic University of America Press, 1963
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Rachels, James, 1941-2003
Problems from philosophy
McGraw-Hill, 2012
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Zeller, Eduard, 1814-1908
Outlines of the history of Greek philosophy
Meridian Books, 1960
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