Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://ids.lib.harvard.edu/ids/view/18739166?width=256&height=256
http://ids.lib.harvard.edu/ids/view/18739161?width=256&height=256
http://ids.lib.harvard.edu/ids/view/18739162?width=256&height=256
http://ids.lib.harvard.edu/ids/view/18739169?width=256&height=256
http://ids.lib.harvard.edu/ids/view/18739265?width=256&height=256
http://nrs.harvard.edu/urn-3:huam:DDC113749_dynmc?width=256&height=256