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unknown - CC BY-SA 2.5
original uploader -
unknown - Public Domain
NASA.<br /> - Public Domain
anonymous - Public Domain
Bobo12345 - CC BY-SA 3.0
unknown -
Mathew Brady Levin Corot Handy - Public Domain
LepoRello -
original uploader - Public Domain
Johnston, Frances Benjamin, 1864-1952, photographer - Public Domain
Krimidoedel - CC BY 3.0
Emilius Randall and Daniel Ryan - Public Domain
w - Public Domain
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Anderson, Louisa Garrett, 1873-
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Shaughnessy, Clark Daniel, 1892-1970
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unknown - CC BY-SA 2.5
Reale, Miguel
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original uploader -
Pomodoro, Arnaldo, 1926-....
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Dukakis, Kitty
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Denison, Edward, 1801-1854
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unknown - Public Domain
Venable, F. P. (Francis Preston), 1856-1934
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unknown - Public Domain
Craft, Ellen, 1826-1891
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Moore, Benjamin, 1867?-1922
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NASA.<br /> - Public Domain
Record, James, 1918-
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anonymous - Public Domain
Dupont, Pierre, 1821-1870
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Clover, Joseph Thomas, 1825-1882
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Bobo12345 - CC BY-SA 3.0
Harada, Masazumi, 1934-2012
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Hamman, Louis, 1877-1946
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Meeropol, Robert
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unknown -
Ridge, Lola, 1873-1941
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Mathew Brady Levin Corot Handy - Public Domain
McCormick, Richard C. (Richard Cunningham), 1832-1901
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LepoRello -
Wolf-Ferrari, Ermanno, 1876-1948
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Currie, James, 1756-1805
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Finley, H. F. (Hugh Franklin), 1833-1909
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original uploader - Public Domain
Bennelong, approximately 1764-1813
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Johnston, Frances Benjamin, 1864-1952, photographer - Public Domain
Wherry, Edgar Theodore, 1885-
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Fenwick, Benedict Joseph, 1782-1846
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Miller, Evgeniĭ Karlovich 1867-1937
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Krimidoedel - CC BY 3.0
Harris, Robert, 1957-....
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Chase, Owen
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Emilius Randall and Daniel Ryan - Public Domain
Croghan, George, 1791-1849
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Windom, William, 1827-1891
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w - Public Domain
Smith, Hyrum, 1800-1844
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unknown - Public Domain
Hirase, Shintaro, 1884-1939