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Lettice Ramsey -
original uploader -
unknown - Public Domain
unknown photographer - Public Domain
Internet Archive Book Images -
John K. Hillers - Public Domain
Không rõ - Public Domain
unknown -
Bain News Service, publisher - Public Domain
FF MM - CC BY-SA 3.0
DBirdie - CC BY 4.0
James Abbe (picture credit) - Public Domain
Tabercil - CC BY-SA 3.0
Courtesy of Archives & Special Collections, Columbia University Health Sciences Library - Public Domain
CbarqueroG - CC BY-SA 4.0
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Lettice Ramsey -
Boyd, Martin, 1893-1972
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McMahon, John A., 1833-1923
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Taymor, Julie, 1952-....
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Sibly, E. (Ebenezer), 1751-1800
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Streuvels, Stijn, 1871-1969
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Longford, Elizabeth, 1906-2002
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unknown - Public Domain
Costeley, Guillaume, 1530?-1606
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unknown photographer - Public Domain
Perrin, Emile 1814-1885
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Blanc, Louis, 1811-1882
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Internet Archive Book Images -
Shedd, William Ambrose, 1865-1918
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John K. Hillers - Public Domain
Hillers, John K., 1843-1925
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Không rõ - Public Domain
Mouret, Jean-Joseph
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Connolly, Maureen, 1934-1969
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Arends, Leslie C. (Leslie Cornelius), 1895-1985
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Kirk, Andy, 1898-1992
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unknown -
Guderian, Heinz, 1888-1954
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Breteuil, Louis-Auguste Le Tonnelier, baron de, 1730-1807
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Bain News Service, publisher - Public Domain
Coulter, John B. (John Breitling), 1891-1983
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FF MM - CC BY-SA 3.0
Roa Bastos, Augusto Antonio
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DBirdie - CC BY 4.0
Ontani, Luigi, 1943-....
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Mary, Queen of Scots, 1542-1587
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Sullivan, Louis H., 1856-1924
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Fraunhofer, Joseph von 1787-1826
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unknown - Public Domain
Guridi, Jesús, 1886-1961
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James Abbe (picture credit) - Public Domain
Acker, Jean, 1893-1978
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Tabercil - CC BY-SA 3.0
Brown, Chester, 1960-....
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Libes, Don, 1958-
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Courtesy of Archives & Special Collections, Columbia University Health Sciences Library - Public Domain
Spiegelman, Sol, 1914-1983.
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CbarqueroG - CC BY-SA 4.0
Mulet, Francesch, 1624-1675
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Bennett, Caleb P., 1758-1836