Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://www.fondationlecorbusier.fr/corbuweb/morpheus.aspx?sysId=13&IrisObjectId=6467&sysLanguage=en-en&itemPos=6&itemSort=en-en_sort_string1%20&itemCount=47&sysParentName=&sysParentId=25
https://www.1stdibs.co.uk/art/more-art/le-corbusier-des-canons-des-munitions/id-a_5472682/