Delaware Aqueduct Bridge

1. Dupré, Judith (1997): Bridges. A history of the world's most famous and important spans. Black Dog & Leventhal, New York (USA), pp. 42-43.
2. Dupré, Judith (2017): Bridges. A History of the World's Most Spectacular Spans. 2^nd edition, Black Dog & Leventhal, New York (USA), ISBN 978-0316507943, pp. 42-43.
3. Dupré, Judith (1998): Brücken. Die Geschichte berühmter Brücken. Könemann, Cologne (Germany), pp. 42-43.
4. Construction of Parallel Wire Cables for Suspension Bridges. A photographic and textual study of the fabrication of Bridge Cables. John A. Roebling's Sons Company, Trenton (USA), 1925.
5. Jackson, Donald C. (1984): Great American Bridges and Dams. A National Trust Guide. John Wiley & Sons, New York (USA), pp. 146.