Author
Historical Society of Pennsylvania
60
M. Thomas & Sons (Auctioneers : Philadelphia)
34
Philadelphia Museum of Art
13
Pennsylvania Academy of the Fine Arts
12
Apprentices' Library Company of Philadelphia
11
Pennsylvania Historical and Museum Commission
11
Pennsylvania Historical and Museum Commission. Division of Archives and Manuscripts
9
American Philosophical Society
7
Apprentices' Library Company of Philadelphia. Girls' Department
7
TLA Video (Firm)
6
Apprentices' Library Company of Philadelphia Boys' Dept
5
Free Library of Philadelphia
5
Hoenstine, Floyd G.
5
Samuel T. Freeman & Co
5
Sharp, Joshua
5
Simonetti, Martha L.
5
Historical Records Survey of Pennsylvania
4
Hoenstine Rental Library
4
Library Company of Philadelphia
4
M. Thomas & Sons
4
Pennsylvania Guild of Craftsmen
4
Rittenhouse Square Fine Art Show
4
Wolf, Edwin, 1911-1991
4
Apprentices' Library Company of Philadelphia. Boys' Department
3
Baumann, Roland M.
3
Colwell, Stephen, 1800-1871
3
Kent, Donald H.
3
M. Thomas & Sons Auctioneers
3
Penn Medical College of Philadelphia
3
Pennsylvania Horticultural Society (Philadelphia)
3
Pennsylvania State Library
3
Philadelphia Film Society
3
United States. National Historical Publications Commission
3
West, Lucy Fisher
3
Whipkey, Harry E.
3
William H. Allen (Philadelphia)
3
A.F. Merrell & Co. (Philadelphia)
2
Academy of Natural Sciences of Philadelphia
2
Beck, John, 1791-1873
2
Bricker, Florence M.
2
Brooks, Phillips, 1835-1893
2
Bumbrey, Jeffrey Nordlinger, 1951-
2
Carey, Mathew, 1760-1839
2
Centennial Exhibition
2
Christie, Manson & Woods International Inc
2
Cooperative Archives Survey Project of Bucks County (Pa.)
2
Cope, Caleb, 1797-1888
2
Cottage Seminary for Girls (Pottstown, Pa.)
2
Crosscup, George W., approximately 1843-
2
Devine, Emmet J.
2
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