Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://techalmanac.blogspot.com.es/2010/02/thomas-pope-and-first-brooklyn-bridge.html
http://www.amazon.com/Treatise-Bridge-Architecture-Thomas-Pope/dp/5518420978
https://www.amazon.com/Treatise-Bridge-Architecture-Superior-Advantages/dp/B07R1VV36Q