Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://www.flickr.com/photos/markcarline/4338965824/
http://www.bbc.co.uk/arts/yourpaintings/paintings/the-old-dee-bridge-chester-102908
http://www.discoverchester.co.uk/Postcards.html
http://www.chesterwalls.info/bridgegate.html
http://www.chesterwalls.info/gallery/oldmaps/lavauxcastle.html
http://www.arthritiscarechester.org.uk/events_calendar.html
http://en.structurae.de/structures/data/index.cfm?id=s0049570
http://en.wikipedia.org/wiki/Old_Dee_Bridge