“GLORIA IN EXCELSIS DEO. THE GREGORIAN CHANT IN MEDIEVAL ART: Arte Medieval, San Gregorio Magno, Canto Gregoriano”. Anales de Teología 16, no. 2 (January 10, 2023): 427–440. Accessed April 11, 2025. https://revistas.ucsc.cl/index.php/analesdeteologia/article/view/1911.