Military bridges
- Full text of Haupt's book published in 1864. Includes sections on designs for trestle and truss bridges for military railroads.
- http://quod.lib.umich.edu/cgi/t/text/text-idx?c=moa;idno=AGX8067

General Theory of Bridge Construction
- Full text of Haupt's book published in 1853.
- http://quod.lib.umich.edu/cgi/t/text/pageviewer-idx?c=moa;cc=moa;rgn=full%20text;idno=AGY3226.0001.001;didno=AGY3226.0001.001;view=image;seq=00000001

Wikipedia: Herman Haupt
- Biography, portrait, works and related links.
- http://en.wikipedia.org/wiki/Herman_Haupt

Herman Haupt - 1817-1905
- Short biography and portrait from the Lincoln Institute.
- http://www.mrlincolnswhitehouse.org/inside.asp?ID=653&subjectID=2