Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://4.bp.blogspot.com/-JYDb6Yinb7A/T4zAYng9O2I/AAAAAAAAATA/UZr1WIj5C2E/s1600/paris_galeria+de+las+m%25C3%25A1quinas_1889.jpg
http://2.bp.blogspot.com/_TLF3XoQbbe8/SGEg6XYVBJI/AAAAAAAAAEg/UmK_LS9Ax1c/s400/02214w08+copy.jpg
http://paris1900.lartnouveau.com/paris07/lieux/galerie_des_machines/1gal_mach1.jpg
http://classconnection.s3.amazonaws.com/238/flashcards/1219238/jpg/galerie_des_machines121334466106627.jpg
http://3.bp.blogspot.com/-9H99s-wAWR8/T4zARXL9fEI/AAAAAAAAASU/_vK6TH9oNRc/s1600/machine+hall_paris_1889.jpg
http://baugeschichte.a.tu-berlin.de/owl/19.Jahrhundert/Paris_Galeriedesmachines/Paris_Galeriedesmachines_03.jpg
http://en.wikipedia.org/wiki/Galerie_des_machines