Richard W. Kaeuper, Holy Warrior: The Religious Ideology of Chivalry (Philadelphia, 2009), pp. 53–57
1048
A. T. Holden, S. Gregory and David Crouch, trans. and eds, History of William Marshal, 2 vols (London, 2002–06), lines 16, 853–63
1049
Kaeuper, Holy Warrior, pp. 38–49
1050
Henry of Lancaster, ‘Book of Holy Remedies’ in A. J. Arnold, ed., Le Livre de Seyntz Medicines: The Unpublished Devotional Treatises of Henry of Lancaster (Oxford, 1940), p. 4
