Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://www.abebooks.com/9783791331560/Bruno-Taut-Alpine-Architektur-Utopie-3791331566/plp
http://www.metalocus.es/content/en/blog/bruno-taut-alpine-architecture
http://www.artic.edu/aic/collections/exhibitions/Ryerson/Paper-Architecture/3