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Contemporary photograph - Public Domain
Émile Cohl - Public Domain
ChunkyGlasses - CC BY 2.0
. -
Scanned by Gabor - Public Domain
GFHund - CC BY 3.0
unknown - Public Domain
Random House Children's Books - CC BY-SA 3.0
Tamara Jorstad - Public Domain
Schmid, Renate - CC BY-SA 2.0
Thierry Caro - CC BY-SA 3.0
Atelier Giere (Hannover) - Public Domain
No photographer named in original source. - Public Domain
Bain - Public Domain
United Nations Development Programme - CC BY 2.0
Pam Kosty - CC BY-SA 3.0
Harcourt, Paris - Public Domain
randy stewart - CC BY-SA 2.0
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Contemporary photograph - Public Domain
Sheppard, H. R. L. (Hugh Richard Lawrie), 1880-1937
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Émile Cohl - Public Domain
Blum, Ernest, 1836-1907
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ChunkyGlasses - CC BY 2.0
Schultz, Wesley
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Hoyt, John W. (John Wesley), 1831-1912
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Robinson, Henry Crabb, 1775-1867
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Perry, Oliver Hazard, 1785-1819
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Scanned by Gabor - Public Domain
Livy
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GFHund - CC BY 3.0
Scheel, Karl, 1866-1936
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Dollond, John, 1706-1761
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Provost, Jan, 1465-1529
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Reger, Max
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unknown - Public Domain
McArthur, John, 1823-1890
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Perkins, George D. (George Douglas), 1840-1914
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Random House Children's Books - CC BY-SA 3.0
Browne, Anthony, 1946-....
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Tamara Jorstad - Public Domain
Salter, William, 1821-1910
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L'Estrange, Roger, Sir, 1616-1704
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Osborne, Dorothy, 1627-1695
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Schmid, Renate - CC BY-SA 2.0
Isenberg, James A.
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Thierry Caro - CC BY-SA 3.0
Becker, Howard Saul, 1928-....
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Bonnefoy, Yves
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Atelier Giere (Hannover) - Public Domain
Liebling, Georg
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No photographer named in original source. - Public Domain
Dromgoole, Will Allen, 1860-1934
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Bain - Public Domain
Franko, Nahan
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Gilbert, of Sempringham, Saint, 1083?-1189
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United Nations Development Programme - CC BY 2.0
Clark, Helen, 1950-....
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Pam Kosty - CC BY-SA 3.0
Mcgovern, Patrick E.
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Harcourt, Paris - Public Domain
Delvincourt, Claude
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Reed, James A. (James Alexander), 1861-1944
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Locker, Thomas, 1937-2012
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randy stewart - CC BY-SA 2.0
Burton, Levar