Peter Linehaw. The Spanish Church and the Papacy in the thirteenth century. Cambridge University Press, 1971. (Cambridge studies in medieval life and thought, 3e series, vol. 4.)

Richard Jean. Peter Linehaw. The Spanish Church and the Papacy in the thirteenth century. Cambridge University Press, 1971. (Cambridge studies in medieval life and thought, 3e series, vol. 4.). In: Bibliothèque de l'école des chartes. 1972, tome 130, livraison 1. pp. 310-312