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Thiois - CC BY-SA 3.0
GFHund - CC BY 3.0
Louis-Marie Normand (1789-1874) - Public Domain
unknown - Public Domain
Dominicus Custos - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
Richard Strauss -
George Romney - Public Domain
John Linnell - Public Domain
Henry Donovan - Public Domain
e2a2j - Public Domain
Luizpuodzius - CC BY-SA 4.0
Jakob Samuel Beck - Public Domain
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Lhérie, Paul 1844-1937
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Mansart, Jules Hardouin, 1645 or 1646-1708
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Thiois - CC BY-SA 3.0
Benoist, Alain de
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GFHund - CC BY 3.0
Heidenfeld, Wolfgang
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Gromov, M. (Mikhail)
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Louis-Marie Normand (1789-1874) - Public Domain
Papety, Dominique, 1815-1849
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unknown - Public Domain
Espy, James P. (James Pollard), 1785-1860
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Greene, William Batchelder, 1819-1878
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unknown - Public Domain
Hartog, Philip, Sir, 1864-1947
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Macedo, José Agostinho de, 1761-1831
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unknown - Public Domain
Lotti, Antonio, -1740
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Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716
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unknown - Public Domain
Baldwin, John D. (John Denison), 1809-1883
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Dominicus Custos - Public Domain
Sherley, Anthony, Sir, 1565-1635?
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Mathew Brady Levin Corot Handy - Public Domain
Pacheco, Romualdo, 1831-1899
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Richard Strauss -
Heyman, Ira Michael, 1930-2011
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Barber, Eunice
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George Romney - Public Domain
Moser, Mary
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John Linnell - Public Domain
Malthus, T.R. (Thomas Robert), 1766-1834
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Henry Donovan - Public Domain
McCormick, Cyrus H. (Cyrus Hall), 1859-1936
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Khrennikov, Tikhon, 1913-2007
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Lyne, William J. (William John), Sir, 1844-1913
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e2a2j - Public Domain
Towers, John H. (John Henry), 1885-1955
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unknown - Public Domain
Bronsart, Hans von, 1830-1913
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unknown - Public Domain
Frazer, John Fries, 1812-1872
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Coffin, Isaac, Sir, 1759-1839
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Hadley, Lindley H. (Lindley Hoag), 1861-1948
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Luizpuodzius - CC BY-SA 4.0
Clark, Lygia, 1920-
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Jakob Samuel Beck - Public Domain
Kraus, Joseph Martin, 1756-1792
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Clouzot, Véra, 1913-1960