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unknown - Public Domain
Nv8200p - CC BY-SA 3.0
Public Domain
Unknown photographer for the Otto Sarony Company - Public Domain
Joel Munsell (1808-80) - Public Domain
Canada Jack - CC BY-SA 3.0
Contemporary portrait - Public Domain
Günther Prust - CC BY 3.0
New York Sunday News - Public Domain
David Shankbone - CC BY 2.5
Helio85 - CC BY-SA 3.0
Jac. de Nijs / Anefo - CC BY 4.0
Henry Alexander White, author. G. P. Putnam's Sons (New York, NY), publisher. - Public Domain
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unknown - Public Domain
Couthouy, Joseph Pitty, 1808-1864
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Butler, John, 1728-1796
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Nv8200p - CC BY-SA 3.0
Mayer, Jane.
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Public Domain
Thomas, James, 1785-1845
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Public Domain
Fisk, James, 1763-1844
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Unknown photographer for the Otto Sarony Company - Public Domain
Fiske, Harrison Grey, 1861-1942
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unknown - Public Domain
Drouet, Jean-Baptiste, 1763-1824
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Joel Munsell (1808-80) - Public Domain
Van Vechten, Abraham, 1762-1837
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Canada Jack - CC BY-SA 3.0
Newlove, John, 1938-....
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Brewster, David, 1781-1868
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Giller, Walter, 1927-2011
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Contemporary portrait - Public Domain
Holmes, Abiel, 1763-1837
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Roberton, Sir Hugh S.
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Cheney, Seth Wells, 1810-1856
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Wistar, Caspar, 1761-1818
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Sablon, Jean, 1906-1994
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Asso y del Río, Ignacio Jordán de, 1742-1814
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Günther Prust - CC BY 3.0
Strittmatter, Erwin, 1912-1994
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Read, Thomas Buchanan, 1822-1872
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Abel, Karl Friedrich, 1723-1787
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Degrand, P. P. F. (Peter Paul Francis), 1787-1855
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New York Sunday News - Public Domain
Parks, Larry, 1914-1975
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Astley, John Dugdale, Sir, 1828-1894
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Tod, George, 1773-1841
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David Shankbone - CC BY 2.5
Abrams, Floyd
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Daillé, Jean, 1594-1670
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Brongniart, Alexandre-Théodore, 1739-1813
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Helio85 - CC BY-SA 3.0
Cigoli, Ludovico Cardi da 1559-1613
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Jac. de Nijs / Anefo - CC BY 4.0
Simenon, Georges, 1903-1989
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Henry Alexander White, author. G. P. Putnam's Sons (New York, NY), publisher. - Public Domain
Lee, Robert E. (Robert Edward), 1843-1914