Tolong jelaskan mengenai Bibliografi dari Visigoth

Bachrach, Bernard S. "A Reassessment of Visigothic Jewish Policy, 589-711." American Historical Review 78, no. 1 (1973): 11-34.

Collins, Roger. The Arab Conquest of Spain, 710-797. Oxford: Blackwell Publishers, 1989. Reprint, 1998.

Constable, Olivia Remie. "A Muslim-Christian Treaty: The Treaty of Tudmir (713)." In Medieval Iberia: Readings from Christian, Muslim, and Jewish Sources, ed. Olivia Remie Constable, 37-38. Philadelphia: University of Pennsylvania Press, 1997.