Author
Historical Society of Pennsylvania
75
Library of Congress
45
M. Thomas & Sons (Auctioneers : Philadelphia)
34
Pennsylvania Academy of the Fine Arts
34
Philadelphia Museum of Art
30
Kennedy Galleries
28
United States. National Archives and Records Service
27
Maryland State Archives
26
Centennial Exhibition Philadelphia, Pa.)
25
Library of Congress. Manuscript Division
21
Library Company of Philadelphia
19
United States. National Archives and Records Administration
19
Kennedy Galleries (New York)
18
American Philosophical Society
16
National Portrait Gallery (Smithsonian Institution)
14
U.S Centennial Commission
14
Pennsylvania Historical and Museum Commission
13
Balch Institute for Ethnic Studies
12
Apprentices' Library Company of Philadelphia
11
Corcoran Gallery of Art
11
Museum of Fine Arts, Boston
11
University of Minnesota. Immigration History Research Center
11
Free Library of Philadelphia
10
Hirschl & Adler Galleries
10
Maryland Historical Society
10
Pennsylvania Historical and Museum Commission. Division of Archives and Manuscripts
10
Princeton University. Library
10
United States. National Historical Publications Commission
10
American Library Association
9
Henry Francis du Pont Winterthur Museum
9
Library of Congress. Geography and Map Division
9
Ukrainian Museum (New York, N.Y.)
9
Baldwin Locomotive Works
8
Bonnemains, Jacqueline
8
Boston Public Library
8
Ethnikos Kēryx (New York, N.Y.)
8
Fitzpatrick, John Clement, 1876-1940
8
Historic American Buildings Survey
8
Independence Hall (Philadelphia, Pa.)
8
John Carter Brown Library
8
Lesueur, Charles Alexandre, 1778-1846
8
National Archives (U.S.)
8
Newberry Library
8
Princeton Theological Seminary
8
Schwarz Philadelphia (Gallery)
8
United States Centennial Commission
8
Allentown Art Museum
7
American Latvian Association in the United States
7
Apprentices' Library Company of Philadelphia. Girls' Department
7
Centennial Exhibition
7
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