Migne, J. (Jacques-Paul). (18441902). Patrologiae cursus completus: series latina: Sive, Bibliotheca universalis, integra, uniformis, commoda, oeconomica, omnium SS. patrum, doctorum scriptorumque ecclesiasticorum qui ab aevo apostolico ad usuque Innocentii III tempora floruerunt. Parisiis: excudebat Migne, etc.
taylorfrancis.com
Bull, Marcus (2012). The Relationship Between the Gesta Francorum and Peter Tudebode’s Historia de Hierosolymitano Itinere. In Crusades, Volume 11 (2012). By Benjamin Z. Kedar, Jonathan Phillips, Jonathan Riley-Smith.