Rüffer, J. (2022) „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(4), S. 171–177. doi: 10.11588/xxi.2021.4.84196.