Martin. La vielle et l'épée: Troubadours et politique en Provence au XIIIe siècle. Aubier, 1989. Cook, Theodore Andrea. Old Provence. Signal Books, 2001. . Egan, Margarita, ed. The Vidas of the Troubadours. New York: Garland, 1984. . Guida, Saverio. "Per la biografia di Gui de Cavaillon e di Bertran Folco d'Avignon." Cultura neolatina, 32 (1972), pp. 189–210. External links Medieval Lands Project: Guillaume de Baux. 1150s births 1218 deaths House of Baux Princes of Orange 12th-century troubadours