Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
https://alchetron.com/Victor-Gruen
http://digitalcollections.uwyo.edu:8180/luna/servlet/view/all/what/Architects/Gruen,%20Victor,%201903-?showAll=what&res=2
http://www.todayifoundout.com/index.php/2015/11/who-invented-the-shopping-mall/
http://evoluscope.blogspot.com/2010/04/victor-gruen.html
http://www.dasrotewien.at/gruen-victor.html
http://www.thefoxisblack.com/2012/08/16/victor-gruen-and-the-birth-of-the-shopping-mall-how-a-displaced-architect-accidentally-changed-american-cities/