Author
American Philosophical Society
9
Franklin, Benjamin, 1706-1790
3
Rush, Benjamin, 1746-1813
3
Bell, Whitfield J., Jr., 1914-2009
2
Betts, Edwin Morris, 1892-1958
2
Jefferson, Thomas, President, U.S., 1743-1826
2
Klepp, Susan E.
2
Van Doren, Carl, 1885-1950
2
Artists' Fund Society of Philadelphia
1
Austin, Anne L., 1891-1986
1
Australian National Research Council
1
Bartram, William, 1739-1823
1
Berkeley, Dorothy Smith
1
Berkeley, Edmund
1
Blaine, James Gillespie, 1830-1893
1
Bourguignon, Henry J.
1
Bölöni Farkas, Sándor, 1795-1842
1
Bray, Martha Coleman
1
British Museum (Natural History). Department of Botany
1
Bronner, Edwin B., 1920-
1
Butterfield, L. H. 1909-
1
Butterfield, L. H. 1909-1982
1
Cailliet, Émile, 1894-1981
1
Cano, Juan
1
Cash, Philip
1
Catlett, J. Stephen
1
Chamberlain, John, 1554?-1628
1
Chaper, Achille, 1795-1874
1
Chinard, Gilbert, 1881-1972
1
Cohen, I. Bernard, 1914-
1
Columbian Society of Artists, Philadelphia
1
Corcoran, Irma Wilma Abigail
1
Corner, Betsy Copping
1
Corner, George W. 1889-1981
1
Craigie, E. Horne 1894-1989,
1
Davidson, Daniel Sutherland, 1900-
1
Diethorn, Karie
1
Dixon, Jeremiah
1
Donnan, Elizabeth, 1883-1955
1
Doskey, John S.
1
Emily Swift Balch Collection
1
Ewan, Joseph, 1909-1999
1
Fanelli, Doris Devine
1
Fitch, John, 1743-1798
1
Fortune, Reo, 1903-
1
Fothergill, John, 1712-1780
1
Girard College. Committee on Stephen Girard Papers and Effects
1
Girard, Stephen, 1750-1831
1
Greene, Catharine Ray, 1731-1794
1
Harrison, Benjamin, President U.S., 1833-1901
1
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