Dilts, James D. The Great Road: The Building of the Baltimore and Ohio, the Nation’s First Railroad, 1828-1853. Stanford, CA: Stanford University Press, 1993.
“American Notes: Traveling in America, 1750-1929.” American Memory Project, Library of Congress. https://memory.loc.gov/ammem/lhtnhtml/lhtnhome.html
“Railroad Maps, 1828-1900.” American Memory Project, Library of Congress. https://memory.loc.gov/ammem/gmdhtml/rrhtml/rrhome.html
B&O Railroad Museum: Ellicott City Station. www.ecborail.org