Medieval canon law and the crusader
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The Crusades, Holy War and Canon Law
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Papst Innocenz III. und die Kreuzzüge
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Fideles Crucis
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The Papacy and the Levant, 1204-1571
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The Crusades and Latin Monasticism, 11th-12th Centuries
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The Preaching of the Crusades to the Holy Land, 1095-1270
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