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original uploader - CC BY-SA 2.5
Louis Edward Nollau - Public Domain
Verbist - CC BY-SA 3.0
author - Public Domain
not stated - Public Domain
unknown - Public Domain
Chuck Carroll - CC BY-SA 3.0
We do not exactly know - CC BY 3.0
:en:Sarah Choate Sears (1858-1935) - Public Domain
Félix Thiollier - Public Domain
NARA-Author -
PODZO DI BORGO - CC BY-SA 4.0
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Lee, Daniel W. (Daniel Warnel), 1919-1985
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original uploader - CC BY-SA 2.5
Smith, Brendan, 1963-
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Louis Edward Nollau - Public Domain
Van Doren, Carl, 1885-1950
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Adams, Roger, 1889-1971
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Verbist - CC BY-SA 3.0
Lilar, Suzanne, 1901-1992
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author - Public Domain
Copeland, Joseph Tarr, 1813-1893
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not stated - Public Domain
Milde, Julius, 1824-1871
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unknown - Public Domain
Trench, Richard Chenevix, 1807-1886
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Swings, P. (Polydore), 1906-1983
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Haas, Dolly, 1910-1994
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Chuck Carroll - CC BY-SA 3.0
Jones, Parnelli, 1933-
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Crist, Charlie, 1956-
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Clawson, Isaiah Dunn, 1822-1879
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Waterman, Charles Winfield, 1861-1932
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We do not exactly know - CC BY 3.0
Klüver, Billy, 1927-2004
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London, Charmian
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Boeddeker, Alfred, 1903-
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:en:Sarah Choate Sears (1858-1935) - Public Domain
Sears, Sarah Carlisle Choate, 1858-1935
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Rippl-Rónai, József, 1861-1927
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Félix Thiollier - Public Domain
Thiollier, Félix, 1842-1914
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NARA-Author -
Villella, Edward, 1936-
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Russell, Benjamin, 1761-1845
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Schwatka, Frederick, 1849-1892
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Aguglia, Mimi
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unknown - Public Domain
MacMillan, Ernest, 1893-1973
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PODZO DI BORGO - CC BY-SA 4.0
Sim, 1926-2009
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Pamphilj, Camillo, 1622-1666.
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Hart, Nancy, 1735?-1830
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Boardman, Elijah, 1760-1823
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Bianchi, F. (Francesco), approximately 1752-1810