75 John N. Schumacher, «Integrísm: A Study in Nineteenth-Century Spanish Politico-Reli- gious Thought», en The Catholic Historical Review 18/3 (1962), pp. 343-364; Marta M. Campomar Fornielles, «El integrismo ultramontano y sus efectos ...
Pere Joan i Tous, Heike Nottebaum, 2003