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Mathew Brady Levin Corot Handy - Public Domain
Nicohofmann -
Carl Van Vechten - Public Domain
Edesanyam - CC BY-SA 4.0
Thomas Beach, John Jones - Public Domain
unknown - Public Domain
Willem van Haecht - Public Domain
Unsure - Public Domain
Durand-Ruel - Public Domain
original uploader - Public Domain
Illinois State Historical Library - Public Domain
Public Domain
Unknown but probably active in mid-to-late 19th century. - Public Domain
Georges Biard - CC BY-SA 3.0
Johnbourke - CC BY-SA 3.0
Quixotichoya - Public Domain
Daceymarie - Public Domain
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Mathew Brady Levin Corot Handy - Public Domain
Ashley, James Mitchell, 1824-1896
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Kelso, Frank B., II (Frank Benton), 1933-2013
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Lovelace, William King-Noel, Earl of, 1805-1893
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Dunn, Nathan, 1782-1844
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Nicohofmann -
Kondō, Kōji.
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Hancock, John, 1737-1793
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Fox, Wilson, 1831-1887
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Carl Van Vechten - Public Domain
Ailey, Alvin, 1931-1989
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Praetorius, Michael, 1571-1621
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Edesanyam - CC BY-SA 4.0
Vandervelde, Janika, 1955-
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Moses, Albert
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Thomas Beach, John Jones - Public Domain
Edmondson, Joseph, -1786
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unknown - Public Domain
Jenner, Gustav, 1865-1920
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Willem van Haecht - Public Domain
Haecht, Willem van 1593-1637
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Unsure - Public Domain
Carlton, Vanessa
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Durand-Ruel - Public Domain
Cassatt, Mary, 1844-1926
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original uploader - Public Domain
Caperton, William Banks, 1855-1941
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Illinois State Historical Library - Public Domain
Hatch, O. M. (Ozias Mather), 1814-1893
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unknown - Public Domain
Grotberg, John E., 1925-1986
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Felt, W. Mark, 1913-2008
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Public Domain
Waterman, Alan Tower, 1892-1967
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Willson, Lester S. (Lester Sebastian), 1839-1919
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Robinson, Spider.
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Unknown but probably active in mid-to-late 19th century. - Public Domain
Ball, James Presley, 1825-1904
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Georges Biard - CC BY-SA 3.0
Marchand, Guy, 1937-....
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Luís, de Granada, 1504-1588
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Iamblichus, approximately 250-approximately 330
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Johnbourke - CC BY-SA 3.0
Quarrington, Paul
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Quixotichoya - Public Domain
Gallagher, Maggie, 1960-....
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Daceymarie - Public Domain
American Geographical Society of New York