Author
Philadelphia Record
20
Albertype Co
4
Pennsylvania Railroad
3
Harwood, Herbert H., Jr
2
Louis Berger Group
2
United States. Bureau of Prisons
2
Alexander, Edwin P.
1
Baltimore and Ohio Railroad Company
1
Baltimore and Ohio Railroad Company Passenger Traffic Dept
1
Bell, D. Sargent, 1876-194-
1
Boston "1915" exposition
1
Bullinger, Edwin W. 1841-
1
Charles Beseler Co
1
Day family
1
Dixon, Stuart P.
1
Graves, Joseph H.
1
Griffitts, Eric
1
Highsmith, Carol M., 1946-
1
Holton, James L.
1
Julia Max Designs
1
Liljestrand, Robert A.
1
Maurice Workstel, Inc
1
Meeks, Carroll L. V. 1907-1966
1
Moul, Edward W.
1
National Studios, Inc
1
Pendelton, Philip
1
Pennsylvania Historical and Musem Commission
1
Pennsylvania Historical and Museum Commission
1
Philadelphia Rapid Transit Company
1
Philadelphia Rapid Transit Company Glass Plate Negative Collection
1
Pittsburgh History & Landmarks Foundation
1
Rau, William Herman, 1855-1920
1
Richards, Joseph T. (Joseph Thomas) 1845-1933
1
Scott and Van Altena Company
1
Smith, Charles Morton
1
Sundman, Jim,
1
Susquehanna & Tidewater Canal Co. and Philadelphia & Reading Railroad Co
1
Sweetland, David R.
1
Temple, Edward Brinton
1
Topham, Washington, 1860-1932
1
Trumbauer, Horace, 1868-1938
1
Twining, William S.
1
Van Trump, James D. 1908-
1
Wilson Brothers & Co. (Philadelphia)
1
Woodward & Lothrop
1