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unknown - Public Domain
Fondo Antiguo de la Biblioteca de la Universidad de Sevilla - CC BY 2.0
Sarah Ackerman - CC BY 2.0
Ernest Eugène Appert - Public Domain
KAJIWARA PHOTO - Public Domain
Not specified - Public Domain
Rappaport Center for Law and Public Service - CC BY 2.0
Gerhard51 - Public Domain
Rob Stranae (f. c. 1695) - Public Domain
Markus Pössel (Mapos - CC BY-SA 3.0
Johan Zoffany - Public Domain
Smithsonian Institution -
Sylvain Machefert / Symac - CC BY-SA 3.0
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Lederer, Francis, 1899-2000
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unknown - Public Domain
Dyce, William, 1806-1864
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Fondo Antiguo de la Biblioteca de la Universidad de Sevilla - CC BY 2.0
Morales, Ambrósio de, 1513-1591
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Aldrich, Thomas Bailey, 1836-1907
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Meyer, Lothar, 1830-1895
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Sarah Ackerman - CC BY 2.0
Lippa, Andrew
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unknown - Public Domain
Smith, Ralph T. (Ralph Tyler), 1915-1972
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unknown - Public Domain
Simpson, Tom, 1937-1967
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Ernest Eugène Appert - Public Domain
Joly, Maurice, 1831-1878
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Leavitt, Joshua, 1794-1873
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Schlesinger, Ludwig, 1864-
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unknown - Public Domain
McCormick, Washington J. (Washington Jay), 1884-1949
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Vanloo, Carle, 1705-1765
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Burges, William, 1827-1881
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KAJIWARA PHOTO - Public Domain
Akins, Zoë (1886-1958).
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Young, Casey, 1828-1899
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Spring, Gardiner, 1785-1873
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Not specified - Public Domain
Lefebvre, Camille, 1831-1895
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Mitchell, Arthur, 1826-1909
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Rappaport Center for Law and Public Service - CC BY 2.0
Gertner, Nancy, 1946-
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Gerhard51 - Public Domain
Davies, Fanny, 1861-1934
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Niskanen, Mikko
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Rob Stranae (f. c. 1695) - Public Domain
Pitcairn, Archibald, 1652-1713
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Markus Pössel (Mapos - CC BY-SA 3.0
Rowland, F. S.
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Baker, Josephine, 1906-1975
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Johan Zoffany - Public Domain
Stillingfleet, Benjamin, 1702-1771
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Smithsonian Institution -
Blanch, Lucile, 1895-1981
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Knollys, Francis, Sir, 1514?-1596
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Sylvain Machefert / Symac - CC BY-SA 3.0
Lalanne, Maxime, 1827-1886
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Bernard, Charles de 1804-1850