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Günter Prust - CC BY 3.0
Benque - Public Domain
author - Public Domain
unknown - Public Domain
Lallie Charles - Public Domain
Public Domain
unknown photographer - Public Domain
Harris & Ewing - Public Domain
Giacomo Brogi (1822-1881) - Public Domain
BPL - CC BY 2.0
John Singer Sargent - Public Domain
German Federal Archives (Bundesarchiv) eusc - CC BY-SA 3.0
Democracy Photoplay Company - Public Domain
Martin le Franc, "Champion des Dames" - Public Domain
Samuel van Hoogstraten - Public Domain
Nadar upload and restoration by Jebulon - CC0 1.0
Jakob Samuel Beck - Public Domain
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Günter Prust - CC BY 3.0
Shaw, Elizabeth.
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Benque - Public Domain
Robert-Fleury, Tony 1837-1912
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author - Public Domain
Davis, Jefferson Columbus, 1828-1879
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Glisson, Francis, 1597-1677
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Pinkney, Edward Coote, 1802-1828
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unknown - Public Domain
Bosworth, F. F. (Fred Francis), 1877-1958
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Lallie Charles - Public Domain
Chase, Pauline, 1885-1962
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Public Domain
Hardacre, Herbert F. (Herbert Freemont)
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unknown - Public Domain
Frank, Josef, 1885-1967
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unknown photographer - Public Domain
Foy, Eddie, 1856-1928
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Public Domain
Quimby, P. P. (Phineas Parkhurst), 1802-1866
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Harris & Ewing - Public Domain
Alger, Philip R. (Philip Rounseville), 1859-1912
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Dahlgren, John Adolphus Bernard, 1809-1870
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Liepmann, Hugo, 1863-1925
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Cock, Hieronymus, Vda. de fl. 1570-1600
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Giacomo Brogi (1822-1881) - Public Domain
Bellincioni, Gemma
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Public Domain
Brookins, Walter, 1889-1953
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BPL - CC BY 2.0
Jackson, Francis, 1789-1861
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John Singer Sargent - Public Domain
Brough, Robert, 1872-1905
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Nunes, José da Costa, 1880-1976
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Hildersam, Arthur, 1563-1632
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Morley, John, 1838-1923
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German Federal Archives (Bundesarchiv) eusc - CC BY-SA 3.0
Burckhardt, Jacob, 1818-1897
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unknown - Public Domain
Reamer, Robert C. (Robert Chambers), 1873-1938
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Democracy Photoplay Company - Public Domain
Nigh,William, 1881-1955
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Martin le Franc, "Champion des Dames" - Public Domain
Dufay, Guillaume, -1474
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Blake, Gordon A. (Gordon Aylesworth), 1910-1997
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Samuel van Hoogstraten - Public Domain
Hoogstraten, Samuel van 1627-1678
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Nadar upload and restoration by Jebulon - CC0 1.0
Isabey, Eugène (1803-1886).
Image from Wikimedia Commons
Jakob Samuel Beck - Public Domain
Kraus, Joseph Martin, 1756-1792