Wheeler, Mortimer, Sir
Civilizations of the Indus Valley and beyond
McGraw-Hill, 1966
 Buku Teks
Burns, Edward McNall, 1897-1972
Western civilizations : their history and their culture; Vol. I
W.W Norton, 1984
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Quigley, Carroll
Evolution of civilizations an introduction to historical analysis by Carroll Quigley
Macmillan, 1961
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Burns, Edward McNall, 1897-1972
Western civilizations : their history and their culture; vol. 1
W.W. Norton & Company, 1973
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Approaches to Asian civilizations [Proceedings]
Edited by Wm. Theodore de Bary and Ainslie T. Embree
Columbia University Press, 1964
 Buku Teks