Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://www.archipicture.eu/Architekten/Italien/Muzio%20Giovanni/Giovanni%20Muzio%20-%20Ca%20Brutta%20Milano%207.html
https://cargocollective.com/raybanhoff/Ca-Brutta-1921-Giovanni-Muzio-Opera-Prima