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Public Domain
Summerdrought - CC BY-SA 4.0
Jean-Marc Nattier - Public Domain
unknown - Public Domain
Engraving by Thomas Doney - Public Domain
''NBC White Paper'' & United States Office of Economic Opportunity -
original uploader - Public Domain
Official U.S. Navy Photograph, now in the collections of the National Archives. - Public Domain
unknown -
en -
Arpingstone - Public Domain
Andrewincowtown - CC BY-SA 4.0
Unknown - Public Domain
Hare2011 - CC BY-SA 3.0
Cornelis Dusart - Public Domain
Image from Wikimedia Commons
Roach, Michael, 1952-
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Tapiovaara, Ilmari, 1914-1999
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Public Domain
Jeppson, Morris R. (Morris Richard), 1922-2010
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Summerdrought - CC BY-SA 4.0
Mackay, Donald, 1870-1958
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Jean-Marc Nattier - Public Domain
Brooke, Francis Greville, Earl, 1719-1773
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unknown - Public Domain
Gerry, Elbridge T. (Elbridge Thomas), 1837-1927
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Engraving by Thomas Doney - Public Domain
Fairfield, John, 1797-1847
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Kenealy, Edward Vaughan, 1819-1880
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unknown - Public Domain
Brialmont, Alexis Henri, 1821-1903
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''NBC White Paper'' & United States Office of Economic Opportunity -
Mitchell, Joseph, 1908-1996
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Allen, C.F. (Carl Ferdinand), 1811-1871
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Bricher, Alfred Thompson, 1837-1908
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original uploader - Public Domain
Strange, Robert, 1796-1854
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Official U.S. Navy Photograph, now in the collections of the National Archives. - Public Domain
Wilkes, John E., 1895-1957
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unknown -
Feller, Sid
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Public Domain
Hibbard, Harry, 1816-1872
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unknown - Public Domain
Krapf, J.L. (Johann Ludwig), 1810-1881
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Auspitz, Heinrich, 1835-1886
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en -
O'Shea, Tim, 1949-....
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Deering, Olive, 1918-1986
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Köhler, Josef 1849-1919
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Holling, C.S.
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Husband, Rick Douglas, 1957-2003
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Wilson, Charles Edward, 1886-1972
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Arpingstone - Public Domain
Scott, Peter, 1909-1989
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Andrewincowtown - CC BY-SA 4.0
Longley, Michael, 1939-....
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Unknown - Public Domain
Bose, Subhas Chandra, 1897-1945
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Hare2011 - CC BY-SA 3.0
Hare, Dennis, 1946-
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Public Domain
Archer, William Segar, 1789-1855
Image from Wikimedia Commons
Cornelis Dusart - Public Domain
Ostade, Isack van, 1621-1649