Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
Palladio and the english palladianism, Rudolf Wittkoer. Chapter 8.
http://www.joh.cam.ac.uk/unbuilt-houses-parliament
03. http://www.vam.ac.uk/content/exhibitions/william-kent-designing-georgian-britain/about-the-exhibition/