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Unknown (US Geological Survey) - Public Domain
created by :w:Richard Beard (photographer) -
Moustaky - CC BY-SA 3.0
Public Domain
Wvantilburg - CC BY-SA 3.0
J.B. ARRIEU ALBERTINI - CC BY-SA 3.0
Mathew Brady - Public Domain
Bushnell - Public Domain
Unknown Military Photographer - Public Domain
Cybjorg - CC BY-SA 3.0
National Photo Company. - Public Domain
Tom Marcello - CC BY-SA 2.0
Ernest Constant Bowler, author. News Publishing Company (Bethel, Maine), publisher. - Public Domain
unknown - Public Domain
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Keller, Ferdinand, 1800-1881
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Stuart, Gilbert, 1755-1828
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Câmara, Hélder, 1909-1999
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Conkling, Roscoe, 1829-1888
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Unknown (US Geological Survey) - Public Domain
Brooks, Alfred H. (Alfred Hulse), 1871-1924
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Stewart, Harold
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created by :w:Richard Beard (photographer) -
Beard, Richard, 1801 or 1802-1885
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Moustaky - CC BY-SA 3.0
Harrison, Thomas, 1606-1660
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Pastis, Stephan
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Public Domain
Foster, Dwight, 1828-1884
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Wvantilburg - CC BY-SA 3.0
Mitchum, Christopher, 1943-
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J.B. ARRIEU ALBERTINI - CC BY-SA 3.0
Samie, Catherine, 1933-...
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Mathew Brady - Public Domain
Collins, Edward Knight, 1802-1878
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Johnstone, John Henry, 1749-1828
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Howitt, William, 1792-1879
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Childers, Hugh C.E. (Hugh Culling Eardley), 1827-1896
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Bushnell - Public Domain
Gillett, James Norris, 1860-1937
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Høegh-Guldberg, Ove, 1731-1808
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Unknown Military Photographer - Public Domain
Hall, Charles P., 1886-
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Cybjorg - CC BY-SA 3.0
National Air and Space Museum
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Bird, Charles Smith, 1795-1862
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National Photo Company. - Public Domain
Richards, Charles Lenmore, 1877-1953
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Tom Marcello - CC BY-SA 2.0
Mann, Herbie, 1930-2003
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Lewis, Thomas, Sir, 1881-1945
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Ibáñez del Campo, Carlos, 1877-1960
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Ernest Constant Bowler, author. News Publishing Company (Bethel, Maine), publisher. - Public Domain
Peters, John Andrew, 1822-1904
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unknown - Public Domain
Scanzoni, F. W. von (Friedrich Wilhelm), 1821-1891
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Cotes, Roger, 1682-1716
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Lundberg, George Andrew, 1895-1966
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Thompson, Henry, Sir, 1820-1904