Other
- Pennsylvania Railroad 71 results
- Baltimore and Ohio Railroad Company 48 results
- Pennsylvania 39 results
- North Pennsylvania Railroad Company 30 results
- Philadelphia & Reading Railroad Co 24 results
- Reading Company 21 results
- Fernon, Thomas S. (Thomas Sargent), 1818-1896 18 results
- Pennsylvania. Board of Canal Commissioners 18 results
- Association of American Railroads 13 results
- Carey, Mathew, 1760-1839 12 results
- Pennsylvania. General Assembly. House of Representatives 11 results
- New Jersey 10 results
- Robinson, Moncure, 1802-1891 10 results
- Central Railroad of New Jersey 8 results
- Pennsylvania Railroad, 8 results
- Pennsylvania. Supreme Court 8 results
- Taber, Thomas T., III 8 results
- Camden and Amboy Railroad and Transportation Company 7 results
- Catawissa Railroad Company 7 results
- Pennsylvania. General Assembly. House of Representatives. Committee on Inland Navigation and Internal Improvement 7 results
- Philadelphia & Reading Railroad Co., 7 results
- Roberts, W. Milnor (William Milnor), 1810-1881 7 results
- Camden and Atlantic Railroad Co 6 results
- Danville and Pottsville Rail Road Company 6 results
- Northern Central Railway Company 6 results
- Pennsylvania Society for the Promotion of Internal Improvements in the Commonwealth 6 results
- Philadelphia Board of Trade 6 results
- Philadelphia and Reading Railroad Co 6 results
- West Chester and Philadelphia Railroad Company 6 results
- Association of American Railroads. Railroad Committee for the Study of Transportation 5 results
- Atterbury, William Wallace, 1866-1935 5 results
- Camden and Atlantic Railroad Company 5 results
- Delaware and Raritan Canal Company (N.J.) 5 results
- Gowen, Franklin Benjamin, 1836-1889 5 results
- Haupt, Herman, 1817-1905 5 results
- Ohio and Pennsylvania Rail-Road Company 5 results
- Pennsylvania Schuylkill Valley Railroad Company, 5 results
- Pennsylvania Supreme Court Eastern District 5 results
- Philadelphia (Pa.). Councils 5 results
- Philadelphia Record 5 results
- Rea, Samuel, 1855-1929 5 results
- Swann, Thomas, 1805-1883 5 results
- Williamsport and Elmira Railroad Company 5 results
- Wilson, William Bender, 1839-1919 5 results
- YA Pamphlet Collection (Library of Congress) 5 results
- Association of American Railroads. Bureau of Railway Economics 4 results
- Baltimore and Ohio Railroad Co 4 results
- Bernhart, Benjamin L., (author) 4 results
- Bowen, Eli, 1824- 4 results
- Bureau of Railway Economics (Washington, D.C.) 4 results more…