Jelaskan Sumber dari Wittiza

Bachrach, Bernard S. "A Reassessment of Visigothic Jewish Policy, 589–711." The American Historical Review, Vol. 78, No. 1. (Feb., 1973), pp 11–34.

Collins, Roger. "'Sicut lex Gothorum continet': Law and Charters in Ninth- and Tenth-Century León and Catalonia." The English Historical Review, Vol. 100, No. 396. (Jul., 1985), pp 489–512.

Collins, Roger. The Arab Conquest of Spain, 710–97. Oxford: Blackwell Publishing, 1989. .

Collins, Roger. Visigothic Spain, 409–711. Blackwell Publishing, 2004.

García Moreno, Luis A. "Prosopography, Nomenclature, and Royal Succession in the Visigothic Kingdom of Toledo." Journal of Late Antiquity, 1(1:2008), 142–56.

Hodgkin, Thomas. "Visigothic Spain." The English Historical Review, Vol. 2, No. 6. (Apr., 1887), pp 209–34.

Irving, Washington. Legends of the Conquest of Spain, originally from The Crayon Miscellany, Volume 3 (1835); in Irving, Pierre M. Spanish Papers. Philadelphia: J.B. Lippincott and Company, 1871.

King, P. D. "King Chindasvind and the First Territorial Law-code of the Visiogothic Kingdom." Visigothic Spain: New Approaches. ed. Edward James. Oxford: Clarendon Press, 1980. pp 131–57.

López Sánchez, Fernando. "La moneda del reino visigodo en Toledo: ¿Por qué? ¿Para quién?" Mainake, Vol. 31 (2009), pp 175–86.

Thompson, E. A.. The Goths in Spain. Oxford: Clarendon Press, 1969.