Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
https://es.wikipedia.org/wiki/Jean-Charles_Alphand#/media/File:Adolphe_Alphand_Roll_Petit_Palais_PPP00112.jpg
http://www.histoire-auteuil-passy.org/wp-content/uploads/2014/05/Alphand-Adolphe.jpg
https://upload.wikimedia.org/wikipedia/commons/thumb/5/52/Jean-Charles_Alphand2.jpeg/170px-Jean-Charles_Alphand2.jpeg
http://autourduperetanguy.blogspirit.com/media/00/02/1498895243.jpg
https://en.wikipedia.org/wiki/Jean-Charles_Alphand#/media/File:P%C3%A8re-Lachaise_-_Division_66_-_Alphand_02.jpg
https://en.wikipedia.org/wiki/Jean-Charles_Alphand#/media/File:Paris16_Foch_Monument_Alphand.jpg