Jelaskan Catatan dari Pertempuran Tamarón

Bishko, Charles Julian. 1980. "Liturgical Intercession at Cluny For the King-Emperors of León." Spanish and Portuguese Monastic History, 600–1300. London: Variorum Reprints. First published in Studia Monastica, 7 (1961).

Bishko, Charles Julian. 1980. "Fernando I and the Origins of the Leonese-Castilian Alliance With Cluny." Studies in Medieval Spanish Frontier History. London: Variorum Reprints. Originally published in Cuadernos de Historia de España, 47(1968):31–135, and 48(1969):30–116.

Martínez Díez, Gonzalo. 2005. El condado de Castilla, 711–1038: La historia frente a la leyenda. Marcial Pons Historia. Cf. pp. 724–28.

Martínez Díez, Gonzalo. 2007. Sancho el Mayor: Rey de Pamplona, Rex Ibericus. Marcial Pons Historia. Cf. pp. 197–202.

Reilly, Bernard F. 1982. The Kingdom of León-Castilla under Queen Urraca, 1109–1126. Princeton: Princeton University Press.

Reilly, Bernard F. 1988. The Kingdom of León-Castilla under King Alfonso VI, 1065–1109. Princeton: Princeton University Press.