Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://dpg.lib.berkeley.edu/webdb/ggva/search?siteid=238
http://www.phaedra.biz/23622.html
http://grainger-arts-and-crafts-studio.com/furniture/
http://www.columbia.edu/cu/lweb/eresources/archives/avery/greene/html/subs/NYDA89-F740.html