1. Alberti, Leon Battista. 2011. On Painting. A New Translation and Critical Edition. Edited and translated by Rocco Sinisgalli. New York: Cambridge University Press.
2. Antunes Joana Filipa Fonseca. 2023. “Iconography.” Course at the Faculty of Arts and Humanities 2023–2024." Universidade de Coimbra. https://apps.uc.pt/courses/EN/unit/80707/15641/2023-2024?type=ram&id=5441.
3. Message to Artists at the Conclusion of the Second Vatican Council;A vous tous;Acta Apostolicae Sedis,1965
4. Balthasar, Hans Urs von. 1965. “Christliche Kunst und Verkündigung.” In Die Grundlagen heilsgeschichtlicher Dogmatik, edited by Johannes Feiner and Magnus Löhrer, 708–726. Vol. 1 of Mysterium salutis. Grundriß heilsgeschichtlicher Dogmatik. Einsiedeln: Benziger.
5. Barral i Altet, Xavier. 2003. “Le vetrate medievali.” In Vetrate Medievali in Europa, edited by Xavier Barral i Altet, 11–34. Milano: Jaca Book.