Sánchez González de Herrero, María de las Nieves. “Lexicon Related to Taxation and Privileges in the Documentation of the Monastery of San Salvador De Oña (10th-13th Centuries)”. Scriptum Digital 5 (October 15, 2016): 103–134. Accessed May 23, 2025. https://scriptum.uab.cat/article/view/v5-sanchez-gonzalez.