Author
DeGraw, Ronald, 1942-2006,
2
Historical Society of Pennsylvania
2
Anastasia, George,
1
Archives of American Art
1
Barrie, Robert, 1866-
1
Blanchard, Jean-Pierre, 1753-1809
1
Breton, Arthur J.
1
Camac, William
1
Central Electric Railfans' Association
1
Delaware River Port Authority
1
Faris, John Thomson, 1871-1949
1
Frey, Carroll, 1894-
1
George de Benneville Keim Memorial Collection
1
Hammonds, Kenneth A. 1919-
1
Lester, John Ashby, 1873-
1
Maher, Shirley
1
Milnor, William, 1769-1848
1
Morello, C. A.
1
Pacini, Marina Elena
1
Penn Mutual Life Insurance Company
1
Philadelphia (Pa.) Urban Traffic and Transportation Board
1
Philadelphia (Pa.). Urban Traffic and Transportation Board
1
Presbyterian Historical Society
1
Roth, Anthony A. 1942-
1
Sebree, G. Mac 1932-2010,
1
Taller Puertorriqueño
1
Taylor, Frank H. 1846-1927
1
White, Wm. P. 1840-1929
1