http://roeblingmuseum.org/about-us/washington-a-roebling/

http://www.biography.com/imported/images/Biography/Images/Profiles/R/Washington-Roebling-283628-1-402.jpg

http://en.wikipedia.org/wiki/Washington_Roebling#mediaviewer/File:Brooklyn_Museum_-_Portrait_of_Washington_A._Roebling_-_Th%C3%A9obald_Chartran.jpg

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Retrato de Washington A. Roebling Theoblad CHARTRAN Brooklyn Museum

http://en.wikipedia.org/wiki/Washington_Roebling

http://upload.wikimedia.org/wikipedia/commons/9/93/WashingtonAugustusRoebling.jpg

http://en.wikipedia.org/wiki/Washington_Roebling#mediaviewer/File:WashingtonAugustusRoebling.jpg

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http://images.fineartamerica.com/images-medium-large/1-washington-roebling-granger.jpg

http://www.uh.edu/engines/washrob.gif

http://www.lifework-in-bridge-building.com/wpimages/wp15857bcb_1b.jpg