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unknown - Public Domain
清叶衍兰辑摹，黄小泉绘。 - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
Will Pittenger - CC BY-SA 3.0
No photographer credited. - Public Domain
Konrad Jacobs - CC BY-SA 2.0
Johnmaxmena2 - CC BY-SA 4.0
Sashkafr - CC BY-SA 4.0
Eraevsky - CC BY-SA 4.0
Ambroise Tardieu (1788-1841) - Public Domain
Anonymous (photographer) - Public Domain
an Anderson of Springfield, Illinois - Public Domain
steve cranston - CC BY-SA 2.0
Ferdinand Schmutzer - Public Domain
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unknown - Public Domain
Curtis, William, 1746-1799
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清叶衍兰辑摹，黄小泉绘。 - Public Domain
Zhu, Yizun, 1629-1709
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Fulton, L. W. (Lee W.), 1910-1976
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unknown - Public Domain
Hagen, Friedrich Heinrich von der 1780-1856
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Fiéschi, Gian Luigi, conte di Lavagna, 1522-1547
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Mathew Brady Levin Corot Handy - Public Domain
Taber, Stephen, 1821-1886
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Will Pittenger - CC BY-SA 3.0
Mote Marine Laboratory (Sarasota, Fla.)
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Dusenbery, Walter, 1939-
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No photographer credited. - Public Domain
Gaynor, Jessie L., 1863-1921
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Konrad Jacobs - CC BY-SA 2.0
Ostrowski, A. M. (Alexander M.), 1893-
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Sonck, Lars Eliel, 1870-1956
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Johnmaxmena2 - CC BY-SA 4.0
Bell, Cool Papa, 1903-1991
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Sashkafr - CC BY-SA 4.0
Zauberman, Yolande
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Nāṣir al-Dīn Shāh, Shah of Iran, 1831-1896
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unknown - Public Domain
Graff, Laurent de, -1704
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Berthollet, Claude-Louis, 1748-1822
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Gullett, H. S. (Henry Somer), 1878-1940
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unknown - Public Domain
Rydz-Śmigły, Edward, 1886-1941
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Eraevsky - CC BY-SA 4.0
Berman, Lazar
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Babington, Charles Cardale, 1808-1895
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Ambroise Tardieu (1788-1841) - Public Domain
Laugier, M., 1770-1832
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Vulʹf, E. V. (Evgeniĭ Vladimirovich), 1885-1941
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Anonymous (photographer) - Public Domain
Mondrian, Piet, 1872-1944
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an Anderson of Springfield, Illinois - Public Domain
Iles, Elijah, 1796-
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Cranston, Toller
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steve cranston - CC BY-SA 2.0
Cummings, Jim, 1952-
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unknown - Public Domain
Baddeley, John F. (John Frederick), 1854-1940
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Claesz., Pieter, 1596 or 1597-1660
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Ferdinand Schmutzer - Public Domain
Schmutzer, Ferdinand, 1870-1928
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Saly, Jacques François Joseph, 1717-1776