Author
North Pennsylvania Railroad Company
7
Baltimore and Ohio Railroad Co
3
Comly, Franklin A., 1813-1887
3
Cumberland Valley Railroad Company
3
Danville and Pottsville Rail Road Company
3
Fernon, Thomas S. 1818-1896
3
Pennsylvania. Board of Canal Commissioners
3
Philadelphia (Pa.). Councils
3
Baltimore and Ohio Railroad Company
2
Brindle, William
2
Camden and Atlantic Railroad Company
2
Catawissa Railroad Company
2
Chester Valley Railroad Company
2
Chestnut Hill Railroad Company
2
Gamble, M. A.
2
Harrisburg, Portsmouth, Mount Joy, and Lancaster Railroad Company
2
Lehigh and Luzerne Railroad Company
2
Lehigh and New England Railroad Company
2
Mitchell, D.
2
Nesquehoning Valley Railroad Company
2
Pennsylvania Railroad
2
Pennsylvania. Office of the Auditor General
2
Pennsylvania. Superintendent of the North Branch Canal
2
Philadelphia & Reading Railroad Co
2
Roberts, W. Milnor 1810-1881
2
Robinson, Moncure, 1802-1891
2
West Chester Rail Road Company
2
Allegheny Valley Railroad Company
1
Allegheny Valley Railway Company
1
Baltimore and Ohio Railroad Co Committee on Finance
1
Baltimore and Ohio Railroad Company. Board of Engineers
1
Baltimore and Ohio Railroad Company. Relief Department
1
Baltimore and Susquehanna Railroad Co
1
Baltimore and Susquehanna Railroad Company
1
Bureau of Railway Economics (Washington, D.C.)
1
Chicago and Alton Railroad Company
1
Cox, Harold E. Dr
1
Delaware Railroad Company
1
Elmira and Williamsport Railroad Company
1
Garrett, John Work, 1820-1884
1
Garrett, John Works, 1820-1884
1
Lapsley, David
1
Little Schuylkill and Susquehanna Rail Road Company
1
Lucas & Deaver,
1
Neal, D. A. 1793-1861
1
North Branch Canal Company
1
North-Western Railroad Company
1
Northern Central Railway Company
1
Ohio and Pennsylvania Rail-Road Company
1
Pennsylvania Company
1
more ...