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- Throop, Palmer A. «Criticism of Papal Crusade Policy in Old French and Provençal.» Speculum, Vol. 13, No. 4. (Oct., 1938), pp 379412.
- Lyric allusions to the crusades and the Holy Land
- Beebe, Bruce, The English Baronage and the Crusade of 1270, in Bulletin of the Institute of Historical Research vol xlviii (118), November 1975, pp. 127-148.
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