De Rigordo Gualteri imitatore vide M. L. Colker, "Walter of Châtillon, Rigord of Saint-Denis and an alleged Quotation from Juvenal" in Classical Folio vol. 24 (1970) pp. 89-95; John W. Baldwin, The Government of Philip Augustus: foundations of French royal power in the Middle Ages (Berkeley: University of California Press, 1986. ISBN 0520073916) p. 572 nota 33 (Paginae selectae apud Google Books)
