Author
George A. Foreman, 1881-1950
18
Philadelphia Record
13
Southeastern Pennsylvania Transportation Authority
11
Association of American Railroads
9
Carey, Henry Charles, 1793-1879
8
Camden and Amboy Railroad and Transportation Company
7
Pennsylvania Railroad
6
Philadelphia (Pa.). Urban Traffic and Transportation Board
6
Philadelphia Rapid Transit Company
6
Delaware and Raritan Canal Company (N.J.)
4
Pennsylvania Public Utility Commission
4
Philadelphia (Pa.) Urban Traffic and Transportation Board
4
Stockton, Robert Field, 1795-1866
4
Baltimore and Ohio Railroad Company
3
Cox, Harold E.
3
Delaware and Raritan Canal Company
3
Haupt, Herman, 1817-1905
3
Reading Company
3
Southeastern Pennsylvania Transportation Authority (SEPTA)
3
Unknown author
3
Whidden, Guy C. 1868-
3
ACF-Brill Motors Company
2
Allegheny and South Side Railway Company
2
Association of American Railroads. Railroad Committee for the Study of Transportation
2
Buckman, Morris
2
Bureau of Municipal Research (Philadelphia, Pa.)
2
Camden and Amboy Railroad and Transportation Co
2
Carnesi, Mônica
2
Carroll, Thomas D.
2
Circus World Museum (Baraboo, Wis.)
2
Citizens' Committee on the Subject of the North Branch Canal (Bradford County, Pa.)
2
Commercial Exchange of Philadelphia (Pa.)
2
DeGraw, Ronald, 1942-
2
Delaware and Raritan Canal Co. (N.J.)
2
Earle, Alice Morse, 1851-1911
2
Fraley, F. 1804-1901
2
Garrett, John W. 1820-1884
2
Hesse-Wartegg, Ernst von, 1854-1918
2
Historical Records Survey (U.S.) New Jersey
2
International Congress of Navigation. Philadelphia,
2
J.G. Brill Company
2
Jackson, John Peter, 1805-1861
2
Kramer, Frederick A.
2
Lane, Wheaton J.
2
Lauck, W. Jett 1879-1949
2
Lykens Valley Railroad and Coal Company
2
MacGill, Caroline E.
2
Marcosson, Isaac Frederick, 1876-1961
2
Meyer, Balthasar Henry, 1866-1954
2
Meyers, John F.
2
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