Studies in Philosophy And The History of philosophy
edited by John K. Ryan
The Catholic University of America Press, 1963
 Buku Teks
Readings in philosophy
edited by John Herman Randali, Justus Buchler
Barnes & Noble, 1950
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Chen, Liu-Fu
Philosophy of life
Philosophical Library, 1948
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Ayer, Alfred Jules, 1910-1989
The revolution in philosophy
Macmillan, 1963
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Boethius
The Consolation of philosophy
The modern library, 1943
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