Author
Philadelphia Rapid Transit Company
2
Boorse, J. W.
1
George de Benneville Keim Memorial Collection
1
Jones, Clarence
1
Philadelphia (Pa.) Dept. of City Transit
1
Philadelphia (Pa.) Transit Commissioner
1
Philadelphia City Planning Commission
1
Philadelphia Rapid Transit Company Glass Plate Negative Collection
1
Smith, Charles Morton
1
Taylor, A. Merritt 1874-1937
1
Twining, William S.
1
Williams, Gerry
1