Author
Centennial Exhibition Philadelphia, Pa.)
16
U.S Centennial Commission
14
Library of Congress
13
Historical Society of Pennsylvania
11
Princeton Theological Seminary
8
University of Minnesota. Immigration History Research Center
8
Free Library of Philadelphia
7
Pennsylvania Academy of the Fine Arts
6
Philadelphia Museum of Art
6
United States. National Archives and Records Service
6
United States. Work Projects Administration. Division of Professional and Service Projects
6
Maryland Historical Society
5
New Jersey Historical Records Survey Project
5
United States. National Archives and Records Administration
5
Wood (Alan) Steel Co
5
American Historical Society of Germans from Russia
4
Athenaeum of Philadelphia
4
Henry Francis du Pont Winterthur Museum
4
Historical Records Survey (U.S.) New Jersey
4
Kaminkow, Marion J.
4
Princeton University. Library
4
Virginia Historical Society
4
American Jewish Archives
3
American Jewish Historical Society
3
American Philosophical Society. Library
3
Daughters of the American Revolution. Library
3
Davis, Doris S., 1925-
3
Eclectic Medical College of Pennsylvania
3
Fielding, Mantle, 1865-1941
3
Historic American Buildings Survey
3
Independence Hall (Philadelphia, Pa.)
3
John Carter Brown Library
3
Library Co. of Philadelphia
3
Library Company of Philadelphia
3
Library of Congress. Periodicals Division
3
New-York Historical Society
3
Penn Medical College of Philadelphia
3
Pennsylvania Historical and Museum Commission. Division of Archives and Manuscripts
3
US Army Military History Research Collection
3
Virginia State Library. Archives Branch
3
American Antiquarian Society, Worcester, Mass Library
2
American Baptist Historical Society. Library
2
Baltimore and Ohio Railroad Company
2
Carpenters' Company of the City and County of Philadelphia
2
Charles F. Libbie & Co. (Auctioneers)
2
Clark, Alexander P.
2
Crowther, Simeon J.
2
Danky, James Philip, 1947-
2
Dick Brothers, Inc. (Reading, Pa.)
2
Fawcett, Marion
2
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