Author
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Ingersoll, Charles Jared, 1782-1862
3
Lehigh Coal and Navigation Company
3
Little Schuylkill and Susquehanna Rail Road Company
3
Mine Hill and Schuylkill Haven Railroad Company
3
North Branch Canal Company
3
North Pennsylvania Railroad Co
3
Pennsylvania Governor (1835-1839 : Joseph Ritner)
3
Pennsylvania Railroad Technical & Historical Society. Philadelphia Chapter
3
Pennsylvania. Board of Canal Commissioners,
3
Pennsylvania. General Assembly
3
Philadelphia and Reading Coal and Iron Company
3
Philadelphia, Easton and Water Gap Railroad Company
3
Roberts, Solomon W. 1811-1882
3
Rudolph, Sebastian A.
3
Sharpless, William P.
3
Stinson, Charles H.
3
Tyson, Job R. 1803-1858
3
Welsh and Patterson,
3
Williamsport and Elmira Railroad Company
3
Wilson, William Bender, 1839-1919
3
Allen, John E.
2
America's Industrial Heritage Project
2
Anderson, Harman
2
Arnold, Andrew Bernard
2
Atterbury, William Wallace, 1866-1935
2
Baltimore (Md.)
2
Beaver Meadow Railroad and Coal Company
2
Bellas, Hugh, 1780-1863
2
Bethlehem Railroad Company
2
Bispham, George Tucker, 1838-1906
2
Board of Trade of Pittsburgh (Pittsburgh, Pa.)
2
Bowen, John S.
2
Brindle, William
2
Campbell, Henry R.
2
Catawissa, Williamsport & Erie Railroad Co
2
Chestnut Hill Railroad Company
2
Conrad, Harry
2
Delaware, Lehigh, Schuylkill and Susquehanna Railroad Company
2
Duffy, Edward W., 1947-
2
Ervien, Robert
2
Fernon, Thomas S.
2
Gamble, M. A.
2
George F. Cram Company
2
Hage, Hother
2
Haines, George
2
Hough, Oliver, 1868-
2
Kneass, Strickland, 1821-1884
2
Kraft, Chip
2
Lackawanna and Bloomsburg Railroad Company
2
Lehigh Valley Railroad Company
2
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