Thomas, Henry
The Living world of philosophy / by Henry Thomas
The Blakiston Company, 1946
 Buku Teks
Christensen, Kit R., author
Philosophy and choice : selected readings from around the world
McGraw-Hill, 2002
 Buku Teks
Ideological differences and world order: studies in the philosophy and science of the world's cultures
edited by F.S.C. Northrop
Yale University Press, 1949
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Iannone, A. Pablo, author
Dictionary of world philosophy
Routledge, 2001
 Buku Referensi
The world of philosophy / edited by C.A. Qadir
Reader in Philosophy, University of The Panjab, 1965
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