Author
North Pennsylvania Railroad Company
5
Philadelphia Rapid Transit Company
5
Philadelphia Board of Trade
3
Philadelphia Transportation Company
3
Townsend, John W., 1855-1939
3
Cox, Harold E.
2
Duffy, Edward W., 1947-
2
Jackson, Joseph, 1867-1946
2
Kennedy, David Johnson, 1816-1898,
2
Meyers, Allen
2
Pennsylvania Railroad
2
Pennsylvania Railroad,
2
Philadelphia
2
Philadelphia Dept. of City Transit
2
Southeastern Pennsylvania Transportation Authority
2
Spivak, Joel
2
American Council on Race Relations
1
Apfelbaum, Charles
1
Baist, G. Wm. 1859-1927
1
Barnes, R. L.
1
Bernhart, Benjamin L.,
1
Bernhart, John H. L. Dr.,
1
Bernhart, John L. Dr.,
1
Blankenburg, Rudolph, 1843-1918
1
Brown, Andrew S.
1
Cary, Lorene
1
Chandler Brothers & Co
1
Commercial Exchange of Philadelphia (Pa.),
1
Committee on Inland Transportation
1
Cox, Harold E. Dr
1
Cramp, Charles H. 1828-1913
1
Diemer, Andrew K.,
1
Dilworth, Richardson 1898-1974
1
DuPuis, Roger, II,
1
Elliott, Isaac
1
Elliott, Joseph E. B.,
1
Fernon, Thomas S. 1818-1896
1
Gopsill, J.
1
Greenfield, Albert M. 1887-1967
1
Hardy, Charles
1
Hartshorne, Henry, 1823-1897
1
Harwood, Herbert H., Jr
1
Hepp, John Henry
1
Historical Society of Pennsylvania
1
J.G. Brill Company
1
John Wanamaker (Firm)
1
Johnson House Historic Site, Inc
1
Julia Max Designs
1
Kennedy, David Johnston 1816-1898
1
Kimber, Thomas
1
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