Author
Cox, Harold E.
6
Philadelphia Rapid Transit Company
6
Rohrbeck, Benson W.
6
Springirth, Kenneth C.
5
Foesig, Harry
4
Lentz, Harry David, 1889-
3
Philadelphia Councils
3
Philadelphia Dept. of City Transit
3
Bell, D. Sargent, 1876-194-
2
Biddle, George, 1843-1886
2
Conneaut and Erie Traction Co
2
Cox, Harold E.,
2
Darby, Media and Chester Street Railway Company
2
DeGraw, Ronald, 1942-2006,
2
Elsner, Henry
2
Hovinen, Gary W.
2
Kramer, Frederick A.
2
Kulp, Randolph L.
2
Men's Medical Office (Philadelphia, Pa.)
2
Middleton, William D., 1928-2011
2
National Railway Historical Society. Lehigh Valley Chapter
2
Paul, John Rodman, 1852-1941
2
Rohrbeck, Benson W.,
2
Rupp Collection (Athenaeum of Philadelphia)
2
Speirs, Frederic W. 1867-1905
2
Steinmetz, Richard H.
2
Still, William, 1821-1902
2
Vible, Richard
2
West Chester Street Railway Company
2
A Philadelphian
1
Allen, Lane & Scott
1
Allen, Walter Spooner
1
Alwine, Leonard E.
1
American Council on Race Relations
1
Andrews, Clinton T.
1
Boorse, J. W.
1
Borgnis, Mervin E.
1
Bowman, Stanley F.
1
Bowman, Stanley F.,
1
Brill (J. G.) Company, Philadelphia
1
Brill (J.G.) Company
1
Broomall, W. B. 1843-
1
Buckingham Valley Trolley Association
1
Buffington, Joseph, 1855-1947
1
Carson, O. E.
1
Cauffman, Lawrence
1
Central Electric Railfans' Association
1
Chandler Brothers & Co
1
Chester Traction Company
1
Chester Traction Company,
1
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