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Matthew Duchesne - CC BY 3.0
anonymous -
Editors: Christie Williams and LeeAnn Roberts - Public Domain
Kingh81 - CC BY-SA 3.0
unknown - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
Wenzl Weis - Public Domain
Dmitry Rozhkov - CC BY-SA 3.0
Quilbham & Genfield, LTD - Public Domain
W. W. Munsell & Co. (Hew York), publisher. - Public Domain
Toño Zapata - Public Domain
Henry Walter Barnett - Public Domain
Notknown - Public Domain
Uzyzzx - Public Domain
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Nutting, M. Adelaide (Mary Adelaide), 1858-1948
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Matthew Duchesne - CC BY 3.0
Hirst, J. B. (John Bradley)
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Lea, Luke, 1879-1945
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anonymous -
Švabinský, Max, 1873-1962
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Marum, M. van (Martinus), 1750-1837
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Wallace, Alfred Russel, 1823-1913
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Cino, da Pistoia, 1270?-1336 or 1337
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Borodin, Mikhail Markovich, 1884-1951
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Nanteuil, Robert, 1623-1678
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Thornton, Ray, 1928-
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Editors: Christie Williams and LeeAnn Roberts - Public Domain
McConkie, Bruce R.
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Kingh81 - CC BY-SA 3.0
Peregrine, Peter N. (Peter Neal), 1963-
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Norman, Donald A.
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unknown - Public Domain
Maurolico, Francesco, 1494-1575
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Mathew Brady Levin Corot Handy - Public Domain
Leavenworth, Elias W. (Elias Warner), 1803-1887
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Bromley, William, 1663?-1732
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Tchernichowsky, Saul, 1875-1943
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Backer, Jacob Adriaensz., 1608-1651
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Wenzl Weis - Public Domain
Lefler, Heinrich, 1863-1919
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Dmitry Rozhkov - CC BY-SA 3.0
Slava, 1950-
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Zetkin, Klara, 1857-1933
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Einaudi, Luigi, 1874-1961
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Quilbham & Genfield, LTD - Public Domain
Mordkin, Mikhail, 1881-1944
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W. W. Munsell & Co. (Hew York), publisher. - Public Domain
Lawrence, John Watson, 1800-1888
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Toño Zapata - Public Domain
Sánchez Cerro, Luis M. 1889-1933
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Broke, Philip Bowes Vere, Sir, 1776-1841
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Henry Walter Barnett - Public Domain
Mond, Alfred, 1868-1930
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Notknown - Public Domain
Hunter, George Leslie, 1877-1931
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Prout, Samuel, 1783-1852
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Uzyzzx - Public Domain
Glass, George, 1910-