The taiheiki : a chronicle of medieval Japan / translated by, Helen Craig McCullough
Columbia University Press, 1959
 Buku Teks SO
Medieval age
edited by Angel Flores
Dell Publishing, 1963
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Dibner, Mark D.
Biotechnology Japan/ Mark D. Dibner, R. Steven White
McGraw-Hill, 1989
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Doe, Norman
Fundamental authority in late medieval English law
Cambridge University Press, 1990
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Late antique and medieval art of the mediterranean world
edited by Eva. R. Hoffman
Blackwell, 2007
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