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Neighborhood Tourism Network (Philadelphia, Pa.)
1
New Jersey Tercentenary Commission
1
North Pennsylvania Railroad Company
3
Passenger Rail-road Relief Association (Philadelphia, Pa.)
1
Pennsylvania
1
Pennsylvania Railroad
2
Pennsylvania Railroad Technical & Historical Society. Philadelphia Chapter
2
Pennsylvania Railroad,
1
Pennsylvania. Board of Canal Commissioners
1
Philadelphia
1
Philadelphia (Pa.)
1
Philadelphia Belt Line Railroad Company
1
Philadelphia City Planning Commission Comprehensive Planning Division
1
Philadelphia Dept. of City Transit
1
Philadelphia Rapid Transit Company
3
Philadelphia Rapid Transit Company Glass Plate Negative Collection
1
Philadelphia Record
6
Philadelphia and Delaware River Railroad Co
1
Philadelphia, Baltimore & Washington Railroad Company
1
Philadelphia, Easton and Water Gap Railroad Company
1
Price, Philip M.
1
Reading Company
1
Rhoads, E. Clinton
1
Robinson, Moncure
1
Rohrbeck, Benson W.
1
Schuylkill River East Side Railroad Company
1
Sharpless, William P.
1
Simulation Systems Inc
1
Smith, Charles Morton
1
Southeastern Pennsylvania Transportation Authority
1
Southeastern Pennsylvania Transportation Authority. Service Planning Department
1
Speirs, Frederic W. 1867-1905
1
Spivak, Joel
2
Springirth, Kenneth C.
2
Springirth, Kenneth C.,
1
Still, William, 1821-1902
2
Sweetland, David R.
1
Trautwine, John C. 1850-1924
1
Twining, William S.
1
Tyson, Job R. 1803-1858
1
Vible, Richard
1
Whiteman, Maxwell
1
Williams, Gerry
1
Wilson, William Bender, 1839-1919
1
Wilson, William Hasell, 1811-1902
1
Wright, John A.
1
Young Men's Republican Association (Philadelphia, Pa. : 15th ward)
1
Young, David W.
2