Author
Historical Society of Pennsylvania
48
M. Thomas & Sons (Auctioneers : Philadelphia)
35
Philadelphia Museum of Art
16
Pennsylvania Academy of the Fine Arts
12
Apprentices' Library Company of Philadelphia
11
American Philosophical Society
7
Apprentices' Library Company of Philadelphia. Girls' Department
7
TLA Video (Firm)
6
Apprentices' Library Company of Philadelphia Boys' Dept
5
Sharp, Joshua
5
Centennial Exhibition Philadelphia, Pa.)
4
M. Thomas & Sons
4
Rittenhouse Square Fine Art Show
4
Apprentices' Library Company of Philadelphia. Boys' Department
3
Library Company of Philadelphia
3
M. Thomas & Sons Auctioneers
3
Penn Medical College of Philadelphia
3
Philadelphia (Pa.). Department of Records
3
Philadelphia Film Society
3
U.S Centennial Commission
3
Union League of Philadelphia
3
William H. Allen (Philadelphia)
3
A.F. Merrell & Co. (Philadelphia)
2
Academy of Natural Sciences of Philadelphia
2
American Philosophical Society. Library
2
Barton, William P. C. 1786-1856
2
Bumbrey, Jeffrey Nordlinger, 1951-
2
Byrne, Patrick
2
C. Shrack & Co. (Philadelphia)
2
Carey, Mathew, 1760-1839
2
Centennial Exhibition
2
College of Physicians of Philadelphia
2
Cope, Caleb, 1797-1888
2
Crosscup, George W., approximately 1843-
2
Dunn, Nathan, 1782-1844
2
Eclectic Medical College of Pennsylvania
2
George S. MacManus Co. (Philadelphia)
2
German Society of Pennsylvania
2
Grigg & Elliot (Philadelphia)
2
H.W. Fisher & Co. (Philadelphia)
2
Henry K. Wampole & Co. (Philadelphia)
2
Hertzog, Lena
2
Historical Records Survey (U.S.)
2
International House of Philadelphia
2
Jacob Reed's Sons (Philadelphia)
2
Jones, Louise T. 1965-
2
Leavitt, Strebeigh & Co
2
Leibold, Cheryl
2
Lewis, Michael J., 1957-
2
M. Thomas & Sons (Auctioneers, Philadelphia)
2
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