Author
Historical Society of Pennsylvania
20
United States. National Archives and Records Service
9
Evelina López Antonetty Puerto Rican Research Collection (New York, N.Y.)
6
Beers, Henry Putney, 1907-
4
National Archives (U.S.)
4
United States. National Archives and Records Administration
4
Great Britain. Public Record Office
3
Library of Congress. Manuscript Division
3
Parker, David W.
3
Anthony, Edwin D.
2
Evans, Frank B. 1927-2021
2
Hunter College. Centro de Estudios Puertorriqueños
2
Kent, Donald H. 1910-1986
2
Kohn, Roger S. 1953-
2
Martin, Barbara, 1953-
2
Mohr, Carolyn Curtis, 1919-
2
Munden, Kenneth W.
2
Newberry Library
2
North Carolina. Division of Archives and History
2
Pennsylvania Historical and Museum Commission
2
Philadelphia (Pa.). Department of Records
2
Philadelphia Museum of Art
2
Simonetti, Martha L.
2
Squair, Lyall D.
2
Survey of Federal Archives (U.S.) Pennsylvania
2
Temple University. Libraries. Rare Book and Manuscript Department
2
Yeshiva University. Archives
2
Zaid, Charles
2
Zinberg, Alizah
2
Alman, Miriam
1
American Philosophical Society
1
Applegate, Howard L.
1
Arthur and Elizabeth Schlesinger Library on the History of Women in America
1
Baumann, Roland M.
1
Bell, Herbert C. F. 1881-1966
1
Bethel, Elizabeth, 1906-
1
Bolton, Herbert Eugene, 1870-1953
1
Bown, Henry E.
1
Brescia, Anthony M.
1
Bricker, Florence M.
1
British Association for American Studies
1
Bruce, John, 1802-1869
1
Buffalo and Erie County Historical Society
1
Carnegie Institution of Washington. Department of Archaeology
1
Catlett, J. Stephen
1
Chamberlain, Merle
1
Chicago, Burlington & Quincy Railroad Company
1
Childs, Ward J.
1
Coates, Jennifer
1
Cornell University. New York Historical Resources Center
1
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