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A Short History of the Papacy in the Middle Ages
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Life in a Medieval City
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Medieval Italy: An Encyclopedia
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Crusade Against the Grail: The Struggle Between the Cathars, ...
Otto Rahn
Dialectic and Its Place in the Development of Medieval Logic
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Georg Wilhelm Fredrich Hegel
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A Dictionary of Medieval Terms and Phrases
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A History of Pagan Europe
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A History of the Crusades: Volume 1, the First Crusade and the ...
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A History of the Crusades: Volume 2, the Kingdom of Jerusalem