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unknown - Public Domain
Carl Schorlemmer and Arthur Smithells - Public Domain
U.S. Navy - Public Domain
original uploader - Public Domain
Neokoenig - CC BY-SA 3.0
Ambroise Tardieu (1788-1841) - Public Domain
William Sherlock, (1738 - ?) - Public Domain
team art in berlin - CC BY-SA 2.0
Samuel William Reynolds - Public Domain
Tryingtocutdown - CC BY-SA 4.0
New-york Tribune - Public Domain
user at project -
State archives of Florida, United States - Public Domain
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unknown - Public Domain
Orr, John Boyd, Baron Boyd-Orr, 1880-1971
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Carl Schorlemmer and Arthur Smithells - Public Domain
Schorlemmer, Carl, 1834-1892
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Bossi, Enea, 1888-1963
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Ratcliffe, Laura, 1836-1923
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U.S. Navy - Public Domain
Fairfield, Arthur Philip, 1877-1946
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original uploader - Public Domain
Proenneke, Richard
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Neokoenig - CC BY-SA 3.0
Martin, James, 1933-2013
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Ambroise Tardieu (1788-1841) - Public Domain
Laugier, M., 1770-1832
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Rivers, Joan.
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Cabarrús, Francisco, conde de, 1752-1810
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William Sherlock, (1738 - ?) - Public Domain
Buckingham, Henry Stafford, Duke of, 1454?-1483
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unknown - Public Domain
Rauschenbusch, Walter, 1861-1918
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Finnegan, Terence P., 1904-1990
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Borovik, Genrikh Aviėzerovich
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team art in berlin - CC BY-SA 2.0
Goldin, Nan, 1953-....
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Ali, Mohammed, 1909-1963
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Unger, Josef, 1828-1913
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unknown - Public Domain
Sandham, Henry, 1842-1910
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Samford, John A. (John Alexander), 1905-1968
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unknown - Public Domain
Bayly, Thomas Haynes, 1797-1839
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Samuel William Reynolds - Public Domain
Reynolds, Samuel William, 1773-1835
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Passini, Johann Ludwig, 1832-1903
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Rondon, Cândido Mariano da Silva, 1865-1958
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Tryingtocutdown - CC BY-SA 4.0
Widen, Gregory.
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Duchesne, Pierre, 1964-....
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New-york Tribune - Public Domain
Mack, Willard, 1873-1934
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Bache, Jules S. (Jules Semon), 1861-1944
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user at project -
Lawton, J. F. (Jonathan F.)
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Stevenson, Thomas, 1818-1887
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State archives of Florida, United States - Public Domain
Burnham, Mills Olcott, 1817-1886