Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://en.wikipedia.org/wiki/File:Victor_Louis_portrait_engraving_-_Marionneau_1881_-_Google_Books.jpg
https://historiadelartemona.wordpress.com/2012/10/12/lolo/
http://www.artehistoria.com/v2/personajes/PERC2586.jpg
https://www.flickr.com/photos/75827322@N00/4656774982/in/photostream/
http://www.culture.gouv.fr/cgi-bin/alphabetique?args,Robin,Rivalz,Roland,
http://gw.geneanet.org/garric?lang=fr;p=louis+nicolas;n=louis