Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
https://en.wikipedia.org/wiki/Pietro_Belluschi
BELLUSCHI, Pietro
https://chatterbox.typepad.com/portlandarchitecture/2008/11/newly-discovered-early-career-pietro-belluschi-buildings-at-mt-hood.html
https://savingplaces.org/stories/all-in-the-family-pietro-tony-belluschi#.WsZR7ohuZPY