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Thorne, Oxford. Engraved by Walker & Cockerell. - Public Domain
Chester Harding - Public Domain
unknown - Public Domain
Ecotalvora - CC BY-SA 4.0
Pietro Germi - Public Domain
NBC Radio-back scan had to be flipped and darkened to be read at all. - Public Domain
Biodiversity Heritage Library - Public Domain
DrGoon - CC BY-SA 3.0
Lake Shore News - Public Domain
Laura Kolb - CC BY 2.0
Judy Cassab - Public Domain
C.S. Bradford - Public Domain
Public Domain
National Geographic Society - Public Domain
By Louisa Lane Drew, Douglas Taylor - Public Domain
Caoimhin - CC BY-SA 3.0
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Thorne, Oxford. Engraved by Walker & Cockerell. - Public Domain
Proctor, Robert, 1868-1903
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La Fresnaye, Roger de 1885-1925
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Chester Harding - Public Domain
Bangs, Edward D. (Edward Dillingham), 1790-1838
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unknown - Public Domain
Liestøl, Knut, 1881-1952
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Ecotalvora - CC BY-SA 4.0
Zerpa, Carlos, 1950-
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Kjerulf, Halfdan, 1815-1868
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Lee, Nathaniel, 1653?-1692
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Pietro Germi - Public Domain
Koscina, Sylva
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Greene, Gardiner, 1753-1832
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NBC Radio-back scan had to be flipped and darkened to be read at all. - Public Domain
Martin, Tony, 1913-2012
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Biodiversity Heritage Library - Public Domain
Uhler, Philip R. (Philip Reese), 1835-1913
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DrGoon - CC BY-SA 3.0
Collins, Simon
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Lake Shore News - Public Domain
Geil, William Edgar
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Thorne, David, 1944-
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Laura Kolb - CC BY 2.0
Davis, Eddie, 1922-1986
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Holland, H. E. (Henry Edmund), 1868-1933
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Sikes, Robert L. F. (Robert Lee Fulton), 1906-1994
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Daubenton, M. (Louis-Jean-Marie), 1716-1799
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Glennie, Evelyn
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Judy Cassab - Public Domain
Gaitskell, Hugh, 1906-1963
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C.S. Bradford - Public Domain
Chew, Benjamin, 1722-1810
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Public Domain
Moore, Edward H., 1871-1950
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Souchon, Alain.
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Girolamo, di Benvenuto, 1470-1524
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De Feuillide, Eliza
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National Geographic Society - Public Domain
Baker, Frank, 1841-1918
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Allan, David, 1744-1796
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By Louisa Lane Drew, Douglas Taylor - Public Domain
Drew, John, 1827-1862
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Oyama, Iwao
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Caoimhin - CC BY-SA 3.0
Purser, John, 1942-