Author
Bowen, Eli, 1824-
4
Carey, Mathew, 1760-1839
4
Fulton
2
Hamilton
2
Pennsylvania Railroad Technical & Historical Society. Philadelphia Chapter
2
Wilson, William Bender, 1839-1919
2
Baker, G. W.
1
Baltimore and Ohio Railroad Company
1
Bromwell, William
1
Carnahan, Peter
1
Committee of Seven
1
Cowan, John Kissig, 1844-1904
1
Eggert, Gerald G.
1
Fernon, Thomas S.
1
Historical Society of Pennsylvania
1
Hough, Oliver, 1868-
1
Juniata County Historical Society (Mifflintown, Pa.)
1
Leiper, John Ashhurst
1
National Railway Historical Society Altoona Chapter
1
Necomen Society in North America
1
Pennsylvania. General Assembly. Senate. Committee on Roads, Bridges and Inland Navigation
1
Philadelphia (Pa.). Councils. Watering Committee
1
Philadelphia Councils
1
Pierson, George N.
1
Railroad Station Historical Society (Crete, Neb.)
1
Read, John M. 1797-1874
1
Rhoads, W. W. 1889-
1
Southeastern Pennsylvania Transportation Authority
1
T. H.
1
Taber, Thomas T., III
1
Taber, Thomas Townsend
1
Tyson, Job R. 1803-1858
1
U.S Dept. of Transportation
1
Watkins, J. Elfreth
1
Wright, John A.
1