Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://www.findagrave.com/cgi-bin/fg.cgi?GRid=1423&page=gr
http://siarchives.si.edu/blog/the-renwick-gallery-in-the-civil-war
http://en.wikipedia.org/wiki/James_Renwick,_Jr.
https://www.villagepreservation.org/2018/11/09/james-renwick-jr-19th-century-architect-extraordinaire/