Whitehill, Walter Muir, Jr. "The Destroyed Romanesque Church of Santo Domingo de Silos." The Art Bulletin 14, no. 4 (1932): 316–341. doi:10.1080/00043079.1932.11408619. JSTOR3050835.
Whitehill, Walter Muir, Jr. "The Destroyed Romanesque Church of Santo Domingo de Silos." The Art Bulletin 14, no. 4 (1932): 316–341. doi:10.1080/00043079.1932.11408619. JSTOR3050835.