of O'Callaghan why "[i]f the ribāṭ with its complement of warrior-ascetics existed in Spain for centuries ... the first Spanish military order [the Order of Calatrava] was not founded before 1158?" According to Jesuit historian Robert Ignatius Burns, borrowing from a position of strength, which the Christians of Iberia attained only by the mid-eleventh century, is preferred to borrowing from weakness. Notes Bibliography Brodman, James W., trans. "Indulgences for the Confraternity of Belchite (1136)." American Academy of Research Historians of Medieval Spain (2005). Online Castro, Américo. The Structure of Spanish History. Princeton: Princeton University Press, 1954. Crespo Vicente, Pascual. "La Militia Christi de Monreal y el origen de las órdenes militares en España." Xiloca: revista del Centro de Estudios del Jiloca, 35 (2007), 203–28. PDF Fletcher, Richard A. The Episcopate in the Kingdom of León in the Twelfth Century. Oxford: Oxford University Press, 1978. Online Fletcher, Richard A. "Reconquest and Crusade in Spain, c. 1050–1150." Transactions of the Royal Historical Society, Fifth Series, 37 (1987), 31–47. Forey, Alan John. The Templars in the Corona de Aragón. University of Durham, 1973. Online Glick, Thomas F. and Oriol Pi-Sunyer. "Acculturation as an Explanatory Concept in Spanish History." Comparative Studies in Society and History, 11:2 (1969), 136–54. Goñi Gaztambide, J. Historia de la Bula de Cruzada en España. Vitoria: 1958. Jensen, Janus Møller (2006). "Wetheman (d. c. 1170)". In Alan V. Murray (ed.). The Crusades: An Encyclopedia. 4 vols. ABC-CLIO. vol. 4, p. 1276. Kantorowicz, Ernst Hartwig. "Pro Patria Mori in Medieval Political Thought." The American Historical Review, 53:3 (1951), 472–92. Lacarra, José María. Vida de Alfonso el Batallador. Zaragoza: 1971. Linage Conde, Antonio. "Tipología de la vida religiosa en las Órdenes militares." Anuario de estudios medievales, 11 (1981), 33–58. Lourie, Elena. "The Confraternity of Belchite, the Ribat, and the Temple." Viator, 13 (1982), 159–76. Maravall, José Antonio. "La idea de Reconquista en la España medieval." Arbor, 28:101 (1954), 1–37. McCrank, Lawrence J. "The Foundation of the Confraternity of Tarragona by Archbishop Oleguer Bonestruga." Viator, 9 (1978), 157–77. O'Banion, Patrick J. "What has Iberia to do with Jerusalem? Crusade and the Spanish Route to the Holy Land in the Twelfth Century." Journal of Medieval History, 34 (2008), 383–95. O'Callaghan, Joseph. "The Affiliation of the Order of Calatrava with the Order of Cîteaux." Analecta Sacra Ordinis Cisterciensis, 15 (1959). Pallarés Gil, M. "La frontera sarracena en tiempo de Berenguer IV." Boletín de historia y