Valdés Blanco-Rajoy, Rosario. “Strongholds of the Ribeira Sacra in the Area Surrounding the Monastery of Santo Estevo de Ribas de Sil”. Madrygal. Revista de Estudios Gallegos 23 (December 18, 2020): 375–399. Accessed July 10, 2026. https://revistas.ucm.es/index.php/MADR/article/view/73078.