Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
https://www.ecosia.org/images?q=COLQUHOUN%2C+Alan#id=73B3F3D1B61C4D787E01F00FEC8BD13B38C055EE
https://www.architectsjournal.co.uk/home/robert-maxwell-remembers-architect-and-critic-alan-colquhoun-1921-2012/8640429.article
https://paw.princeton.edu/article/memoriam-16
https://www.archdaily.com/309189/influential-architect-and-educator-alan-colquhoun-dies-at-91
http://www.bdonline.co.uk/Pictures/web/d/u/w/Alan-Colquhoun-bw1-we_596.jpg