Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://www.amazon.es/Christopher-Geoffrey-illustrated-Anthony-Kersting/dp/B00BO8Z994/ref=sr_1_3/277-4116593-1608413?s=books&ie=UTF8&qid=1401113258&sr=1-3&keywords=The+Work+of+Christopher+Wren
