Author
Pennsylvania Railroad
77
Baltimore and Ohio Railroad Company
60
Pennsylvania
52
North Pennsylvania Railroad Company
32
Philadelphia & Reading Railroad Co
32
Fernon, Thomas S. 1818-1896
24
Pennsylvania. Board of Canal Commissioners
18
Camden and Amboy Railroad and Transportation Company
16
New Jersey
16
Lehigh Valley Railroad Company
13
Association of American Railroads
12
Carey, Mathew, 1760-1839
12
Pennsylvania. General Assembly. House of Representatives
11
Fernon, Thomas Sargent
10
Robinson, Moncure, 1802-1891
10
Central Railroad of New Jersey
9
Pennsylvania Railroad,
9
Pennsylvania. Supreme Court
9
Philadelphia and Reading Railroad Co
9
Reading Company
9
Taber, Thomas T., III
9
West Chester and Philadelphia Railroad Company
9
Albertype Co
8
Carey, Henry Charles, 1793-1879
8
Catawissa Railroad Company
8
Cox, Harold E.
8
Delaware Railroad Company
8
Philadelphia Rapid Transit Company
8
Roberts, W. Milnor 1810-1881
8
Bowen, Eli, 1824-
7
Garrett, John Work, 1820-1884
7
Gowen, Franklin Benjamin, 1836-1889
7
Haupt, Herman, 1817-1905
7
Pennsylvania. General Assembly. House of Representatives. Committee on Inland Navigation and Internal Improvement
7
Philadelphia & Reading Railroad Co.,
7
Rea, Samuel, 1855-1929
7
Richards, Joseph T.
7
Wilson, William Bender, 1839-1919
7
Camden and Atlantic Railroad Co
6
Camden and Atlantic Railroad Company
6
Danville and Pottsville Rail Road Company
6
Delaware and Raritan Canal Company (N.J.)
6
Ellet, Charles, 1810-1862
6
Hough, Oliver, 1868-
6
Latrobe, Benj. H. 1807-1878
6
Maryland
6
Newcomen Society in North America
6
Northern Central Railway Company
6
Pennsylvania Society for the Promotion of Internal Improvements in the Commonwealth
6
Philadelphia (Pa.). Councils
6
more ...