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Verhoeff, Bert / Anefo -
The w:Bureau of Engraving and Printing - CC BY-SA 3.0
Public Domain
unknown - Public Domain
NBC Television -
NBC - Public Domain
Paul-André Basset, éditeur et marchand d'estampes - Public Domain
Danorsh - CC BY-SA 4.0
Anonymous -
Thesupermat - CC BY-SA 3.0
Bruce Chianese - CC BY-SA 4.0
Johnstone O'Shannessy & Co - Public Domain
No photographer credited - Public Domain
Ambroise Tardieu (1788-1841) - Public Domain
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Verhoeff, Bert / Anefo -
Turchin, V. F. (Valentin Fedorovich), 1931-2010
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Scott, George C., 1927-1999
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Price, Tom, 1852-1909
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Eisenbud, David
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Going, Charles Buxton, 1863-
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Blainville, H.-M. Ducrotay de (Henri-Marie Ducrotay), 1777-1850
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The w:Bureau of Engraving and Printing - CC BY-SA 3.0
Barbour, John Strode, 1820-1892
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Public Domain
Miller, Jacob Welsh, 1800-1862
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unknown - Public Domain
Martini, Ferdinando, 1841-1928
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Chilton, Horace, 1853-1932
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Salk, Jonas Edward, 1914-1995
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Romano, Giulio, 1499-1546
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NBC Television -
Cornthwaite, Robert, 1917-2006
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Strasser, Todd
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Loria, Gino
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NBC - Public Domain
Ellerbee, Linda
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Paul-André Basset, éditeur et marchand d'estampes - Public Domain
Santerre, Antoine-Joseph, 1752-1809
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Medici, Piero de' 1416-1469
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Botvinnik, M.M. (Mikhail Moiseevich), 1911-1995
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Danorsh - CC BY-SA 4.0
Koch, Charles G. (Charles de Ganahl), 1935-
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Anonymous -
Foote, G. W. (George William), 1850-1915
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Thesupermat - CC BY-SA 3.0
Cabot, Meg
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Bruce Chianese - CC BY-SA 4.0
Lewis, Geoffrey, 1935-....
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Johnstone O'Shannessy & Co - Public Domain
Chevalier, N. (Nicholas), 1828-1902
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Brockwell, Gladys, 1894-1929
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No photographer credited - Public Domain
Morgan, Maud, 1903-1999
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Glinsky, Vincent, 1895-1975
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Hunt, William H. (William Henry), 1823-1883
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Ambroise Tardieu (1788-1841) - Public Domain
Laugier, M., 1770-1832
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Mousson, Albert, 1805-1890