Author
Historical Society of Pennsylvania
67
Library of Congress
36
M. Thomas & Sons (Auctioneers : Philadelphia)
34
United States. National Archives and Records Service
27
Maryland State Archives
26
Centennial Exhibition Philadelphia, Pa.)
25
Philadelphia Museum of Art
23
Library of Congress. Manuscript Division
21
United States. National Archives and Records Administration
19
Kennedy Galleries
18
Kennedy Galleries (New York)
17
Pennsylvania Academy of the Fine Arts
17
American Philosophical Society
16
Library Company of Philadelphia
15
U.S Centennial Commission
14
Pennsylvania Historical and Museum Commission
12
Apprentices' Library Company of Philadelphia
11
University of Minnesota. Immigration History Research Center
11
Maryland Historical Society
10
Museum of Fine Arts, Boston
10
Pennsylvania Historical and Museum Commission. Division of Archives and Manuscripts
10
United States. National Historical Publications Commission
10
Free Library of Philadelphia
9
Library of Congress. Geography and Map Division
9
Princeton University. Library
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
Independence Hall (Philadelphia, Pa.)
8
Lesueur, Charles Alexandre, 1778-1846
8
National Archives (U.S.)
8
Newberry Library
8
Princeton Theological Seminary
8
United States Centennial Commission
8
American Latvian Association in the United States
7
American Library Association
7
Apprentices' Library Company of Philadelphia. Girls' Department
7
Balch Institute for Ethnic Studies
7
Centennial Exhibition
7
Christie, Manson & Woods International Inc
7
Henry Francis du Pont Winterthur Museum
7
Historic American Buildings Survey
7
New-York Historical Society
7
Schwarz Philadelphia (Gallery)
7
United States. Work Projects Administration. Division of Professional and Service Projects
7
Corcoran Gallery of Art
6
Evelina López Antonetty Puerto Rican Research Collection (New York, N.Y.)
6
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