Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
https://www.abebooks.com/Architectural-Biographies-Sir-John-Soane-Summerson/32427304421/bd
https://books.google.es/books/about/Sir_John_Soane_1753_1837.html?id=Ys1PAAAAMAAJ&redir_esc=y