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unknown - Public Domain
Claude Joannis - CC BY-SA 2.0
Louis Anquetin - Public Domain
Samuel William Reynolds Joshua Reynolds - Public Domain
Unattributed - Public Domain
Dende - CC BY-SA 4.0
Smithsonian Institution -
Esther Dyson - CC BY 2.0
Unknown - Public Domain
(unknown) - Public Domain
Robert Turnbull Macpherson - Public Domain
NASA - Public Domain
Garitan - CC BY-SA 3.0
Josef Löwy - Public Domain
Harris & Ewing - Public Domain
original uploader was Baronplantagenet -
Shtue - CC BY 3.0
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unknown - Public Domain
Willis, Austin
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Stainer, John, 1840-1901
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Claude Joannis - CC BY-SA 2.0
Marchand, Erik
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Louis Anquetin - Public Domain
Anquetin, Louis, 1861-1932
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Desmond, Paul, 1924-1977
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Clarke, Rebecca Sophia, 1833-1906
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unknown - Public Domain
Bamberger, Heinrich von 1822-1888
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Samuel William Reynolds Joshua Reynolds - Public Domain
Howard, George, Earl of Carlisle, 1773-1848
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Smith, Goldwin, 1823-1910
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Unattributed - Public Domain
Lazzari, Sylvio
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Boece, Hector, 1465?-1536
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Hay, George, Sir, 1715-1778
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Dende - CC BY-SA 4.0
Toole, John Kennedy, 1937-1969
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Smithsonian Institution -
Goldthwaite, Anne, 1869-1944
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Hersholt, Jean
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Esther Dyson - CC BY 2.0
Levine, John R.
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Unknown - Public Domain
Dharmapala, Anagarika, 1864-1933
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(unknown) - Public Domain
Uesugi, Kenshin, 1530-1578
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Chevalier, Albert, 1861-1923
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Robert Turnbull Macpherson - Public Domain
Macpherson, Robert, 1815 or 1816-1872
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unknown - Public Domain
Cassini, Oleg, 1913-2006
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NASA - Public Domain
Roman, Nancy Grace, 1925-2018
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Garitan - CC BY-SA 3.0
Collard, Jean-Philippe, 1948-....
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Josef Löwy - Public Domain
Nothnagel, Hermann, 1841-1905
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Tryon, Thomas, 1634-1703
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Foxe, John, 1516-1587
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Harris & Ewing - Public Domain
Poole, Ernest, 1880-1950
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Bailly, Jean-Sylvain, 1736-1793
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original uploader was Baronplantagenet -
Duff, Thomas
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Shtue - CC BY 3.0
Galway, James