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unknown - Public Domain
Revista Argentina "Panorama" - Public Domain
Mizzan - CC BY-SA 4.0
unknown -
Mathew Brady Levin Corot Handy - Public Domain
Unknown author pre-1917 - Public Domain
henryk Hirszel (1809-1877) - Public Domain
Childe Hassam - Public Domain
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unknown - Public Domain
Wood, Mary Elizabeth, -1931
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Hogg, James Stephen, 1851-1906
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Aachen, Hans von 1552-1615
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Revista Argentina "Panorama" - Public Domain
Parra, Violeta, 1917-1967
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Mizzan - CC BY-SA 4.0
Barnes, George, 1921-1977
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Guérard, Eugen von 1811-1901
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unknown - Public Domain
Conant, Thomas Jefferson, 1802-1891
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unknown - Public Domain
Ritz, Walther, 1878-1909
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Braun, Otto, 1872-1955
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unknown -
Muir, William, Sir, 1819-1905
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Fern, Fanny, 1811-1872
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Mathew Brady Levin Corot Handy - Public Domain
Stewart, William M. (William Morris), 1827-1909
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Unknown author pre-1917 - Public Domain
Paliashvili, Zakhariĭ Petrovich 1871-1933
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Fabritius, Barent, 1624-1673
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Homer
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henryk Hirszel (1809-1877) - Public Domain
Birkowski, Fabian, 1566-1636
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McGuire, P. J. (Peter James), 1852-1906
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Fauchard, Pierre, 1678-1761.
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Mba, Léon, 1902-1967
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Childe Hassam - Public Domain
Thaxter, Celia, 1835-1894
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unknown - Public Domain
Steinthal, Heymann, 1823-1899
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Sáenz, Antonio
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unknown - Public Domain
Howe, Richard Howe, Earl, 1726-1799
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Whitney, Harry Payne, 1872-1930
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Gore, Thomas Pryor, 1870-1949
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Broke, Philip Bowes Vere, Sir, 1776-1841
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Scruggs, Earl
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Young, Cy, 1867-1955
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Beveridge, Peter, 1829-1885
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Grabbe, Christian Dietrich, 1801-1836