Author
Pennsylvania Historical and Museum Commission
18
Historical Records Survey (U.S.) Pennsylvania
17
United States. Work Projects Administration. Division of Community Service Programs
16
Historical Records Survey of Pennsylvania
13
George de Benneville Keim Memorial Collection
10
Elise Willing Balch Collection
8
Survey of Federal Archives (U.S.) Pennsylvania
8
Historical Society of Pennsylvania
7
Philadelphia (Pa.) Bureau of City Property
7
Historical Records Survey Project of Pennsylvania
6
United States. Work Projects Administration. Division of Professional and Service Projects
6
Gillingham, Harrold E. 1864-1954
5
Lebanon County Historical Society (Pa.)
5
Pleasants, Henry, 1853-1884
5
United States. National Park Service
5
Baltzell, E. Digby 1915-
4
Egle, William Henry, 1830-1901
4
Emily Swift Balch Collection
4
Fackenthal, B. F. 1851-1941
4
Frederic R. Kirkland Collection
4
Pennypacker, Samuel W. 1843-1916
4
Sipe, C. Hale 1880-
4
Wolf, Edwin, 1911-1991
4
Academy of Natural Sciences of Philadelphia
3
Bell, Herbert C. 1868-
3
Binney, Horace, 1780-1875
3
Conference on the History of Northeastern Pennsylvania Nanticoke, Pa.)
3
DiDonato, Anthony J.
3
Edmunds, Franklin Davenport, 1874-1948
3
First Reformed Church (Easton, Pa.)
3
Glenn, Thomas Allen, 1864-
3
Henry, Frederick P. 1844-1919
3
Herr, Patricia T., 1936-
3
Hunter, Robert J. 1882-1980
3
Jenkins, Charles Francis, 1865-1951
3
Kieffer, Henry Martyn, 1845-1930
3
Lauback, Charles, 1836-1904
3
Lowrie, Sarah Dickson, 1870-1957
3
Mills, Charles K. 1845-1931
3
Northampton County Historical and Genealogical Society
3
Packard, Francis R. 1870-1950
3
Pfund, Harry William, 1900-
3
Philadelphia (Pa.). Department of Streets
3
Philadelphia Center for Early American Studies (Philadelphia, Pa.)
3
Philadelphia Contributionship for the Insurance of Houses from Loss by Fire Meeting
3
Philadelphia Museum of Art
3
Remer, Rosalind, 1963-
3
Roak, John Craig, 1900-
3
Rupp, I. Daniel 1803-1878
3
Schuylkill Navy of Philadelphia
3
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