Hanbury, Harold Grenville
A history of English law; Vol. I
Methuen, 1956
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A history of technology; vol I-vol. III
edited Charles Singer, E.J. Holymyard, A.R. Hall
At The Clarendon Press, 1957
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Oldenbourg, Zoé, 1916-2002
The Crusades
Pantheon Books, 1966
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The Crusades
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Burns, Edward McNall, 1897-1972
Western civilizations : their history and their culture; Vol. I
W.W Norton, 1984
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