sentences:  It is sometimes supposed to have also dealt extensively with Raymond IV of Toulouse, but he is not found in the surviving fragments.The "Canso" also served as the literary model for the early thirteenth-century "Chanson de la Croisade Albigeoise" of William of Tudela and for the late thirteenth-century "History of the War of Navarre" of William Anelier.Portions of it were also translated into Castilian for the "Gran Conquista de Ultramar", which also contains unique material possibly borrowed from the complete version of the "Canso" or from Bechada's earlier epic.