Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://baldwinhillsvillageandthevillagegreen.blogspot.com.es/2011/06/garden-cities-at-risk-clarence-stein.html
https://aap.cornell.edu/academics/crp/stein-institute
http://www.thepolisblog.org/2009/04/design-preservation-sustainability.html
https://aap.cornell.edu/academics/crp/stein-institute/works-and-legacy