↑ Sword, Miter and Cloister: Nobility and the Church in Burgundy, 980-1198, Constance Brittain Bouchard (Cornell University Press; Ithaca, NY; 1982)
↑ The Crusade of 1101, James Lea Cate, A History of the Crusades: The First Hundred Years, ed.Kenneth Meyer Setton and M. W. Baldwin, (The University of Wisconsin Press, 1969), 363.
↑ The Crusade of 1101, James Lea Cate, A History of the Crusades: The First Hundred Years, 350.