J. L. Santos Díez, “Concordats of the Holy See with the States. Pontificate of Benedict XVI (2005-2013)”, EC, vol. 88, no. 347, pp. 833–847, Nov. 2016, Accessed: Jul. 05, 2026. [Online]. Available: https://revistas.comillas.edu/estudioseclesiasticos/article/view/7416