Erdozia Mauleon, J. L. “Zenbait Datu Demografiko Sakanan XV. Mendearen Hasieran [Some Demographic Data on Sakana in the Early 15th Century]”. Príncipe De Viana, no. 268, Jan. 2018, pp. 547-88, https://revistas.navarra.es/index.php/PV/article/view/908.