Coba jelasin Catatan dari Peironela d'Aragón dong

Stalls, William C. "Queenship and the Royal Patrimony in Twelfth-Century Iberia: The Example of Petronilla of Aragon", Queens, Regents and Potentates, Women of Power, vol. 1 (Boydell & Brewer, 1995), 49-61.