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Pierre Petit - Public Domain
Gilbert Stuart Newton - Public Domain
Library of the London School of Economics and Political Science -
published by Joseph Gaston - Public Domain
Arxivist - CC BY-SA 4.0
Ji-Elle - CC BY-SA 3.0
George Grantham Bain (1865–1944) - Public Domain
Unidentified (Ensian published by University of Michigan) - Public Domain
Robert Spence - Public Domain
Gravure de Jacques-Noël-Marie Fremy, d'après une peinture de Louis-Andre-Gabriel Bouchet (1759-1842) - Public Domain
unknown - Public Domain
Studio Paul Boyer, Paris - Public Domain
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Pierre Petit - Public Domain
Duruy, Victor, 1811-1894
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Mosca, Gaetano, 1858-1941
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Smith, John Henry, 1848-1911
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Gilbert Stuart Newton - Public Domain
Newton, Gilbert Stuart, 1794-1835
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Kopp, Hermann, 1817-1892
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Butler, Elizabeth, Lady, 1846-1933
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Library of the London School of Economics and Political Science -
Marshall, T. H. (Thomas Humphrey)
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published by Joseph Gaston - Public Domain
Applegate, O. C. (Oliver Cromwell), 1845-1938
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Lever, Samuel Hardman, 1869-1947
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Arxivist - CC BY-SA 4.0
Esenin, Sergeĭ Aleksandrovich, 1895-1925
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Ji-Elle - CC BY-SA 3.0
Quint, Michel, 1949-....
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Garner, Alan, 1934-....
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Adam, James, -1794
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George Grantham Bain (1865–1944) - Public Domain
Bernstein, Henry, 1876-1953
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Albaladejo, Pierre
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Fraunhofer, Joseph von 1787-1826
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Salomons, David, Sir, 1797-1873
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Colonna, Giovanni Paolo
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Unidentified (Ensian published by University of Michigan) - Public Domain
Piaget, Jean, 1896-1980
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Rohlfs, Christian, 1849-1938
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Paich, David
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Robert Spence - Public Domain
Fell, Margaret, 1614-1702
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Johnson, Samuel, 1696-1772
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Rosebery, Albert Edward Harry Meyer Archibald Primrose, Earl of, 1882-1974
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Bayldon, Francis J. (Francis Joseph), 1872-1948
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Gravure de Jacques-Noël-Marie Fremy, d'après une peinture de Louis-Andre-Gabriel Bouchet (1759-1842) - Public Domain
Lemot, François-Frédéric 1773-1827
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unknown - Public Domain
Hill, Wilhelm, 1838-1902
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Fithian, George W. (George Washington), 1854-1921
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Thompson, Milton O.
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Studio Paul Boyer, Paris - Public Domain
Dufranne, Hector, 1871-1951