Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://www.bloomberg.com/news/2012-01-04/lavish-homes-of-emir-gold-digger-flaunted-in-paris-show-jorg-von-uthmann.html
http://www.skyscrapercity.com/showthread.php?t=1099757
http://www.theguardian.com/world/2008/dec/21/france-heritage-qatar
http://www.newyorksocialdiary.com/node/1905940
http://www.kenyonmanchego.com/32413/266821/reportages/hotel-lambert-le-parisien
http://www.melty.fr/incendie-a-l-hotel-lambert-a-paris-photos-theater-543013-1608493.html
http://tweedlandthegentlemansclub.blogspot.com.es/2011/08/conservation-adventures-of-hotel.html