Author
Philadelphia (Pa.). Urban Traffic and Transportation Board
3
Benner, Walter M., 1888-
1
Boorse, J. W.
1
Delaware River Port Authority
1
Frankford Historical Society (Philadelphia, Pa.)
1
George de Benneville Keim Memorial Collection
1
Metropolitan Rail Road Company (Philadelphia, Pa.)
1
Philadelphia (Pa.) Dept. of City Transit
1
Philadelphia (Pa.) Transit Commissioner
1
Philadelphia (Pa.) Urban Traffic and Transportation Board
1
Smith, J. L.
1
Taylor, A. Merritt 1874-1937
1
Warwick, Charles F. 1852-1913
1