Saya mau tau Sumber dari Lop III Centullo

Higounet, Charles. Bordeaux pendant le haut moyen age. Bordeaux, 1963.

Lewis, Archibald R. The Development of Southern French and Catalan Society, 718–1050. University of Texas Press: Austin, 1965.

Zurita, Gerónimo. Anales de la Corona de Aragón I. Edited by Antonio Ubieto Arteta and Desamparados Pérez Soler. Valencia: 1967.