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GoneWalkabout - CC BY-SA 3.0
Gage Skidmore - CC BY-SA 3.0
Tycho Henderson - CC BY-SA 3.0
unknown - Public Domain
National Reconnaissance Office - Public Domain
EaglebrookSchool -
Francesco Bartolozzi - Public Domain
L.M.D. Guillaume (1816-1892) - Public Domain
Elliot & Fry, Ltd. - Public Domain
Ron Kroon / Anefo -
Furiodetti - CC BY 3.0
Thomas Pennant - Public Domain
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GoneWalkabout - CC BY-SA 3.0
Krausmann, Rudi.
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Blair, John Insley, 1802-1899
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Gage Skidmore - CC BY-SA 3.0
Kasdan, Lawrence, 1949-....
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Cicognara, Antonio, active 1480-1500
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Papini, Giovanni, 1881-1956
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Tycho Henderson - CC BY-SA 3.0
Benson, Michael, 1962-
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unknown - Public Domain
Jellicoe, John Rushworth Jellicoe, Earl, 1859-1935
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Smith, W. H. (William Henry), 1825-1891
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Saint-André, Jean-Bon, 1749-1813
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Castro, Josué de, 1908-1973
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National Reconnaissance Office - Public Domain
Charyk, Joseph V. (Joseph Vincent), 1920-
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EaglebrookSchool -
Magee, Rusty
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Mason, William, 1725-1797
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Gage Skidmore - CC BY-SA 3.0
Parker, Mary-Louise
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Foot, Jesse, 1744-1826
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Francesco Bartolozzi - Public Domain
Woide, Charles Godfrey, 1725-1790
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Lake, Simon, 1866-1945
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unknown - Public Domain
Ronner, Henriëtte 1821-1909
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Merriam, Charles Edward, 1874-1953
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Gertrude, the Great, Saint, 1256-1302?
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Bunge, N. Kh. (Nikolaĭ Khristianovich), 1823-1895
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L.M.D. Guillaume (1816-1892) - Public Domain
Rutherfoord, John, 1792-1866
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Elliot & Fry, Ltd. - Public Domain
Watson, William, 1858-1935
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Ron Kroon / Anefo -
Schat, Peter
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Alencar, José Martiniano de, 1829-1877
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unknown - Public Domain
Píka, Heliodor, 1897-
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Furiodetti - CC BY 3.0
Mekas, Jonas, 1922-....
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Thomas Pennant - Public Domain
Middleton, Thomas, Sir, 1586-1666
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Kornegay, Horace Robinson, 1924-2009
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unknown - Public Domain
Hamilton, William Stephen, 1797-1850