Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://en.wikipedia.org/wiki/%C3%96d%C3%B6n_Lechner
http://budapestgolocal.blogspot.com.es/2011/11/art-nouveau-wonders-in-budapest-9.html
http://www.terminartors.com/artworkprofile/Por_Bertalan-Portrait_of_Odon_Lechner
http://commons.wikimedia.org/wiki/File:Rippl_Portrait_of_%C3%96d%C3%B6n_Lechner.jpg
http://www.viajejet.com/wp-content/viajes/Odon-Lechner.jpg