http://en.wikipedia.org/wiki/Owen_Williams_(engineer)

http://www.engineering-timelines.com/who/Williams_O/williamsOwen4.asp

http://a2d-architecture.blogspot.com.es/2012/05/feature-sir-evan-owen-williams-let.html

Owen Williams (derecha) en el lugar en el puente de Montrose (1927-1930).

http://www.engineering-timelines.com/who/Williams_O/williamsOwen4.asp