1. Henry of Huntingdon, Historia Anglorum, D. E. Greenway (ed. and trans.), World’s Classics, Oxford, Oxford University Press, 1969, 752–3
2. Anonymous , Gesta Francorum et aliorum Hierosolymitanorum, Rosalind Hill (ed.), Oxford, Clarendon, 1967, 64
3. Nicholas Paul , To Follow in their Footsteps: The Crusades and Family Memory in the High Middle Ages, Ithaca, NY, Cornell University Press, 2012, 8
4. Katherine Allen Smith , War and the Making of Medieval Monastic Culture, Woodbridge, Boydell & Brewer, 2011, 71
5. Sylvia Schein , Gateway to the Heavenly City: Crusader Jerusalem and the Catholic West (1099–1187), Aldershot, Ashgate, 2005, 63