John A. Roebling Cincinnati Suspension Bridge: History and photographs of Roebling's 1866 span between Cincinnati, Ohio and Covington, Kentucky.
John Roebling: John and Washington Roebling and the Brooklyn Bridge. Essay by John H. Lienhard.
Long and Short Span Railway Bridges: Facsimile of the book wriiten by Roebling in 1889. Also available in pdf and tiff formats.
Niagara Bridge Condition Report: Full text of Roebling's 1860 report prepared for the presidents and directors of the Niagara Falls Suspension and Niagara Falls International Bridge Companies.
Niagara Falls Suspension Bridge: Full text of Roebling's final report to the Niagara Falls Suspension Bridge Company. Available in text and pdf formats.
Roebling and the Brooklyn Bridge: Illustrated digitized items from the Library of Congress American Memory historic collections.
Roebling's Delaware Aqueduct: History and restoration notes on the oldest existing wire suspension bridge in the United States.
Roebling's First Dream: The Queensboro: Essay by Drew Fetherston.
Roebling, John Augustus: Brief profile from Great Buildings Online.
The Roebling Online History Archive: Provides a general and social history of the Roebling Company. Includes essays, biographies, timeline, and a walking tour.