Rüffer, Jens. „Francisco Prado-Vilar (ed.), El Pórtico De La Gloria. Arquitectura, Materia Y visión / The Portal of Glory. Architecture, Matter, and Vision“. 21: Inquiries into Art, History, and the Visual 2, no. 4 (Januar 27, 2022): 171–177. Zugegriffen November 24, 2024. https://journals.ub.uni-heidelberg.de/index.php/xxi/article/view/84196.