Beck, Alfred M., et al., The Corps of Engineers: The War Against GermanyArchived 2018-10-16 at the Wayback Machine, Center of Military History (U.S. Army), 1985. The bridge was built by the 85th Engineer Heavy Combat Battalion on March 26, 1945 200 feet downstream from the demolished Ernst Ludwig highway bridge. It was named the Alexander Patch Bridge after the Seventh Army commander, General Alexander Patch. A stone tower of the former bridge is visible on the opposite bank.
rdl.train.army.mil
"M4T6 Floating Bridges And Rafts". Military Float Bridging Equipment (Training Circular No. 5-210 ed.). 27 December 1988. Archived from the original on 27 April 2015. Retrieved 8 December 2014.
"The Military Engineer". 12–13. Society of American Military Engineers. 1920. Archived from the original on 2016-12-24. Retrieved 2016-10-16. {{cite journal}}: Cite journal requires |journal= (help)
Bridge Floating M4. United States Army. 1954. Archived from the original on August 19, 2020. Retrieved December 7, 2014.
cervantesvirtual.com
Barros Arana, Diego. "Capítulo XIV". Historia general de Chile (in Spanish). Vol. Tomo cuarto (Digital edition based on the second edition of 2000 ed.). Alicante: Biblioteca Virtual Miguel de Cervantes. p. 347. Archived from the original on 2019-10-19. Retrieved 2019-08-05.
chosinreservoir.com
Roe, Pat. "General O. P Smith Interview". Chosin Reservoir Korea November - December 1950. Archived from the original on 2015-03-12. Retrieved 2015-04-05.
"Pneumatic Ponton Bridge M3". Washington, D.C. UNT Digital Library: United States War Department. 19 April 1943. Archived from the original on 8 February 2015. Retrieved February 8, 2015.
Beck, Alfred M., et al., The Corps of Engineers: The War Against GermanyArchived 2018-10-16 at the Wayback Machine, Center of Military History (U.S. Army), 1985. The bridge was built by the 85th Engineer Heavy Combat Battalion on March 26, 1945 200 feet downstream from the demolished Ernst Ludwig highway bridge. It was named the Alexander Patch Bridge after the Seventh Army commander, General Alexander Patch. A stone tower of the former bridge is visible on the opposite bank.
"The Military Engineer". 12–13. Society of American Military Engineers. 1920. Archived from the original on 2016-12-24. Retrieved 2016-10-16. {{cite journal}}: Cite journal requires |journal= (help)
"Pneumatic Ponton Bridge M3". Washington, D.C. UNT Digital Library: United States War Department. 19 April 1943. Archived from the original on 8 February 2015. Retrieved February 8, 2015.
"pontoon (n.)". Etymonline. Archived from the original on 2015-06-17. Retrieved 2015-04-25.
Barros Arana, Diego. "Capítulo XIV". Historia general de Chile (in Spanish). Vol. Tomo cuarto (Digital edition based on the second edition of 2000 ed.). Alicante: Biblioteca Virtual Miguel de Cervantes. p. 347. Archived from the original on 2019-10-19. Retrieved 2019-08-05.
"M4T6 Floating Bridges And Rafts". Military Float Bridging Equipment (Training Circular No. 5-210 ed.). 27 December 1988. Archived from the original on 27 April 2015. Retrieved 8 December 2014.
Roe, Pat. "General O. P Smith Interview". Chosin Reservoir Korea November - December 1950. Archived from the original on 2015-03-12. Retrieved 2015-04-05.
Hale, John R. (2010). Lords of the sea : the epic story of the Athenian navy and the birth of democracy. New York: Viking Penguin. p. 188. ISBN9780143117681. OCLC276819722.