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August Brasch - Public Domain
unknown - Public Domain
Metro Pictures Corporation - Public Domain
Edwin James (portrait exécuté à la demande de) - Public Domain
Bain - Public Domain
Alan Light - CC BY 2.0
Van Helmont - Public Domain
Nomu420 - CC BY-SA 3.0
Sam Moore and Joyce Moore - CC BY 3.0
original uploader - Public Domain
GFHund - CC BY 3.0
Sidney Richard Percy (1821-1886) - CC BY-SA 3.0
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Schleicher, Kurt von 1882-1934
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August Brasch - Public Domain
Plaidy, Louis
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unknown - Public Domain
Raskolʹnikov, F. F. (Fedor Fedorovich), 1892-1939
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Craven, Tunis A. M., 1813-1864
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Metro Pictures Corporation - Public Domain
Wilson, Ben, 1876-1930
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Edwin James (portrait exécuté à la demande de) - Public Domain
Tanner, John, 1780?-1847
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Bain - Public Domain
Webster, Arthur Gordon, 1863-1923
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Alan Light - CC BY 2.0
Henderson, Florence
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Barefield, Eddie, 1909-1991
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unknown - Public Domain
Leuven, Adolphe de 1800-1884
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Van Helmont - Public Domain
Helmont, Franciscus Mercurius van 1614-1699
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Nomu420 - CC BY-SA 3.0
Dayanita Singh
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Eddy, Clarence
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Sam Moore and Joyce Moore - CC BY 3.0
Moore, Sam, 1935-
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Thomas, Jameson, 1888-1939
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original uploader - Public Domain
Rodeheaver, Homer A. (Homer Alvan), 1880-1955
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unknown - Public Domain
Koninck, L. G. de (Laurent Guillaume), 1809-1887
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GFHund - CC BY 3.0
Minkowski, Rudolf 1895-1976
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Abbott, J. J. C. (John Joseph Caldwell), Sir, 1821-1893
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Wehner, Herbert, 1906-1990
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Anshutz, Thomas Pollock, 1851-1912
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Sidney Richard Percy (1821-1886) - CC BY-SA 3.0
Percy, Sidney Richard
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unknown - Public Domain
Schindler, Oskar, 1908-1974
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Conca, Tommaso 1734-1822
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Verney, Ralph, Sir, 1613-1696
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Grenfell, Pascoe, 1761-1838
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Beaver, James A. (James Addams), 1837-1914
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Ragland, Rags, 1905-1946
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Pole, William, Sir, 1561-1635
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Milkman, Ruth, 1954-