J. N. Hillgarth, Ramon Lull and Lullism in Fourteenth-Century France (Oxford, 1971), pp. 107–11, 120.
1059
Christopher J. Tyerman, England and the Crusades, 1095–1588 (Chicago, 1988), pp. 324–43; William T. Cavanaugh, Migrations of the Holy: God, State and the Political Meanings of the Church (Grand Rapids, Mich., 2011)