Author
- Blankenburg, Rudolph, 1843-1918 1 results
- Boorse, J. W. 1 results
- Creighton, Thomas 1 results
- Feustel, Robert M. 1 results
- George de Benneville Keim Memorial Collection 1 results
- Hallowell, Guernsey A. 1 results
- Hartwell, Edward M. 1 results
- Jones, Clarence 1 results
- Metropolitan Rail Road Company (Philadelphia, Pa.) 1 results
- Meyers, Allen 1 results
- Moore, J. Hampton (Joseph Hampton), 1864-1950 1 results
- National Railway Historical Society. Philadelphia Chapter 1 results
- Penn Supreme Court 1 results
- Pennsylvania. Public Service Commission 1 results
- Philadelphia (Pa.) Dept. of City Transit 1 results
- Philadelphia (Pa.) Transit Commissioner 1 results
- Philadelphia (Pa.) Urban Traffic and Transportation Board 3 results
- Philadelphia (Pa.). Department of Public Property 1 results
- Philadelphia (Pa.). Urban Traffic and Transportation Board 5 results
- Philadelphia City Planning Commission 1 results
- Philadelphia Rapid Transit Company 6 results
- Philadelphia Rapid Transit Company Glass Plate Negative Collection 1 results
- Philadelphia Record 7 results
- Philadelphia Transportation Company 3 results
- Philadelphia Transportation Company, 1 results
- Ravelli, Robert J., 1956- 1 results
- Robert R. Nathan Associates 1 results
- Sechler, Robert P. 1 results
- Simulation Systems Inc 1 results
- Smith, Charles Morton 1 results
- Smith, J. L. 1 results
- Southeastern Pennsylvania Transportation Authority 4 results
- Southeastern Pennsylvania Transportation Authority. Cartography Department 2 results
- Southeastern Pennsylvania Transportation Authority. Service Planning Department 1 results
- Spivak, Joel 1 results
- Taylor, A. Merritt (Abraham Merritt), 1874-1937 1 results
- Turnpike Engineers Inc 1 results
- Twining, William S. 1 results
- Wilbur Smith and Associates 1 results
- Williams, Gerry 1 results
- Wolfinger, James, 1 results