Author
United States. Work Projects Administration. Division of Professional and Service Projects
33
United States. Work Projects Administration. Division of Community Service Programs
29
Historical Records Survey (U.S.) Ohio
26
Library of Congress
25
United States. National Archives and Records Service
25
Historical Society of Pennsylvania
24
Historical Records Survey (Ohio)
22
Library of Congress. Manuscript Division
21
McMurtrie, Douglas C. 1888-1944
17
New Hampshire Historical Records Survey
16
New Jersey Historical Records Survey Project
16
United States. Works Progress Administration. Division of Women's and Professional Projects
15
Historical Records Survey (U.S.) New Hampshire
14
Historical Records Survey (U.S.) Pennsylvania
14
Library of Congress. Division of Bibliography
14
Historical Records Survey (U.S.) New Jersey
12
University of Minnesota. Immigration History Research Center
12
US Army Military History Research Collection
11
United States. Work Projects Administration. Division of Service Projects
11
Free Library of Philadelphia
10
Historical Records Survey of Pennsylvania
10
National Archives (U.S.)
10
University of New Hampshire
10
Cordasco, Francesco, 1920-
9
Griffin, Appleton P. C. 1852-1926
9
Library Company of Philadelphia
9
Historical Records Survey (U.S.) New York (State)
8
Rosenbach, A. S. W. 1876-1952
8
Gaer, Joseph, 1897-
7
Historical Records Survey (U.S.) New York (N.Y.)
7
Historical Records Survey (U.S.) North Carolina
7
Historical Records Survey of North Carolina
7
New Jersey State Planning Board
7
United States. National Archives and Records Administration
7
American Philosophical Society
6
Dwyer, Joseph D.
6
Fitzpatrick, John Clement, 1876-1940
6
Ford, Paul Leicester, 1865-1902
6
Hasse, Adelaide R. 1868-1953
6
Historical Records Survey (N.Y.)
6
Historical Records Survey (U.S.) West Virginia
6
Historical Records Survey Project of Pennsylvania
6
New York Public Library
6
United States. Works Progress Administration. Division of Professional and Service Projects
6
Grolier Club
5
Historical Records Survey (U.S.)
5
Kaminkow, Marion J.
5
Library of Congress. General Reference and Bibliography Division
5
Library of Congress. Map Division
5
Marshall, George W. 1839-1905
5
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