Gordo Molina, Ángel G. “The Leonese and Castilian Church in the Reign of Alfonso VII. The Relationships With the Centers of Ecclesiastical Power in the Peninsula: Santiago De Compostela and Toledo”. Atenea, no. 513, May 2017, pp. 155-68, https://revistas.udec.cl/index.php/atenea/article/view/67.