Author
Library of Congress. Manuscript Division
20
Historical Society of Pennsylvania
14
United States. National Archives and Records Administration
10
Fitzpatrick, John Clement, 1876-1940
7
Beers, Henry Putney, 1907-
6
Library Company of Philadelphia
6
United States. National Archives and Records Service
6
American Philosophical Society
5
Greene, Evarts Boutell, 1870-1947
5
Princeton University. Library
5
US Army Military History Research Collection
5
American Historical Society of Germans from Russia
4
Balch Institute for Ethnic Studies
4
Hamilton, Sinclair
4
Library of Congress
4
Library of Congress. General Reference and Bibliography Division
4
National Archives (U.S.)
4
Schweitzer, George Keene, 1924-
4
Scotch-Irish Foundation
4
United States. War Department. Library
4
United States. Work Projects Administration. Division of Professional and Service Projects
4
Channing, Edward, 1856-1931
3
Garrison, Curtis Wiswell, 1901-
3
Greely, A. W. 1844-1935
3
Hart, Albert Bushnell, 1854-1943
3
Historical Records Survey of Pennsylvania
3
Kirkham, E. Kay
3
Lancour, Harold, 1908-
3
Matchette, Teresa F.
3
Morris, Richard B. 1904-1989
3
New Jersey Historical Records Survey Project
3
State Historical Society of Wisconsin
3
Stevenson, Noel C.
3
Thompson, Arthur William
3
United States. Naval History Division
3
William L. Clements Library
3
Adams, Thomas Randolph, 1921-
2
American Jewish Archives
2
American Jewish Historical Society
2
American Library Association
2
Bassett, T. D. Seymour
2
Batchellor, Albert Stillman, 1850-1913
2
Bowers, Douglas
2
British Association for American Studies
2
Cheney, James W. 1849-1917
2
Committee for a New England Bibliography
2
Conway, Jill K., 1934-2018
2
Crick, Bernard R.
2
Douglas, Lee V.
2
Duke University. Library
2
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