Henningsen, Gustav Henningsen, and José Escribano Arellano (col.). “Inquisition and Science. The Oracle of the Pipkin”. Huarte de San Juan. Geografía e Historia, no. 20 (March 25, 2013): 87–94. Accessed August 5, 2026. https://revista-hsj-historia.unavarra.es/HSJ-Historia/article/view/3062.