Author
Library of Congress
29
Virginia State Library
19
Library Company of Philadelphia
11
Historical Society of Pennsylvania
9
William L. Clements Library
8
Library of Congress. Map Division
7
New York Public Library
7
Steiger, Ernst, 1832-1917
7
John Carter Brown Library
6
Library of Congress. Geography and Map Division
6
Phillips, Philip Lee, 1857-1924
6
Boston Public Library
5
Historical Records Survey (Me.)
5
Library of Congress. Music Division
5
Newberry Library
5
University of Pennsylvania. Library
5
Chojnacki, Wojciech
4
Connecticut State Library
4
Cordasco, Francesco, 1920-
4
Ethnikos Kēryx (New York, N.Y.)
4
Historical Records Survey (U.S.)
4
Leo Baeck Institute
4
Library Co. of Philadelphia
4
Library of Congress. General Reference and Bibliography Division
4
Mullins, E. L. C.
4
Pennsylvania State Library
4
Tompkins, Dorothy C. 1908-1988
4
University of Pennsylvania. Botanical Laboratory
4
University of Virginia. Library
4
Wolf, Edwin, 1911-1991
4
Wright, Lyle Henry, 1903-1979
4
American Philosophical Society. Library
3
Association of Research Libraries
3
Brigham, Clarence S. 1877-1963
3
Columbia University. Libraries
3
Czechoslovak Society of Arts and Sciences in America
3
Denver Public Library
3
Ethnic Heritage Studies Program (U.S.)
3
Filby, P. William 1911-2002
3
French, William P.
3
Gaer, Joseph, 1897-
3
Griffin, Appleton P. C. 1852-1926
3
Harvard University. Library
3
Haverford College. Library
3
Hoenstine Rental Library
3
Hoenstine, Floyd G.
3
Jenkins, William Sumner, 1902-
3
Kaminkow, Marion J.
3
Khouw, Petta
3
Le Gear, Clara Egli
3
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