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Alesso Baldovinetti - Public Domain
unknown - Public Domain
Itaygur - CC BY-SA 3.0
Gustav Eisen, Eisen & Bruguiere - Public Domain
David Shankbone - CC BY-SA 3.0
Phoridfly - CC BY 3.0
no name - Public Domain
Bain News Service, publisher - Public Domain
Werner & Son - Public Domain
carole.feuerman - CC BY-SA 2.0
Brandeis University - CC BY-SA 4.0
Harris & Ewing - Public Domain
Marjorie McCarty - CC BY 3.0
anonymous -
Photo: William Notman - Public Domain
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Stevens, Mark, 1916-1994
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Layard, Edgar Leopold 1824-1900
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Alesso Baldovinetti - Public Domain
Baldovinetti, Alesso, 1425-1499
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unknown - Public Domain
Iddings, Joseph Paxson, 1857-1920
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Itaygur - CC BY-SA 3.0
Golinkin, David
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Ortego, Francisco, 1833-1881
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Hutton, Charles, 1737-1823
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Bazzini, Antonio, 1818-1897
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Taylor, Harry, 1862-1930
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Gustav Eisen, Eisen & Bruguiere - Public Domain
Troyer, Carlos
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David Shankbone - CC BY-SA 3.0
Fraser, Brendan, 1968-....
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Phoridfly - CC BY 3.0
Tucker, Marcia, 1940-2006
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no name - Public Domain
Cole, Alphaeus Philemon, 1876-1988
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Coandă, Henri 1886-1972
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Bain News Service, publisher - Public Domain
Gould, Edwin, 1866-1933
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Werner & Son - Public Domain
Salmon, George, 1819-1904
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Hackert, Philipp, 1737-1807
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Storks, Henry Knight 1811-1874
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Schiller, Leon, 1887-1954
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Sorby, Henry Clifton, 1826-1908
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carole.feuerman - CC BY-SA 2.0
Feuerman, Carole
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Brandeis University - CC BY-SA 4.0
Yack, Bernard, 1952-....
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Harris & Ewing - Public Domain
Kern, John Worth, 1849-1917
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Marjorie McCarty - CC BY 3.0
McCarty, Maclyn
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anonymous -
Sachs, Nelly
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Turgenev, Nikolaĭ, 1789-1871
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Briggs, Ansel, 1806-1881
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Ulanova, Galina Sergeevna, 1910-1998
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Photo: William Notman - Public Domain
Fulford, Francis, 1803-1868
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Ternina, Milka, 1863-1941