Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://artcontrarian.blogspot.com/2011/03/joseph-urban-undersung-designer.html
http://www.viennareview.net/on-the-town/city-life/scenes-of-vienna/the-man-who-was-everything
https://en.wikipedia.org/wiki/Joseph_Urban
https://biographytree.com/news/joseph-urban-biography-interior-designer-mar-lago-estate/
https://www.gettyimages.es/detail/fotograf%C3%ADa-de-noticias/austrian-architect-interior-designer-and-fotograf%C3%ADa-de-noticias/143112109
https://www.thoughtco.com/joseph-urban-architectures-set-designer-177368
https://www.imdb.com/name/nm0881629/
https://en.wikipedia.org/wiki/Joseph_Urban#/media/File:Joseph_Urban-gezeichnet_von_R_Swoboda,_um_1900.jpg