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Leonor Hopscotch - CC BY-SA 3.0
NoJin - CC BY-SA 4.0
unknown - Public Domain
Frstmedia - Public Domain
Walter Browne - Public Domain
w:American Bank Note Company - CC BY-SA 4.0
Genevieve719 - CC BY 2.0
Reggie Bibbs - CC BY 2.0
not specified, courtesy of the Hemingway Foundation - CC BY-SA 2.5
unknown -
Heidi Lehwalder - CC BY-SA 4.0
Frank Hamilton - CC BY-SA 3.0
Mike Peel/Attribution - CC BY-SA 4.0
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Leonor Hopscotch - CC BY-SA 3.0
Barnes, Danny
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NoJin - CC BY-SA 4.0
Bolf, Josef, 1971-
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unknown - Public Domain
Heinzen, Karl, 1809-1880
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Lambert, George, 1873-1930
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Pyle, Charles C., 1882-1939
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Frstmedia - Public Domain
Holzman, Jac
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Walter Browne - Public Domain
Hammerstein, Oscar, 1846-1919
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Benacerraf, Baruj, 1920-2011
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w:American Bank Note Company - CC BY-SA 4.0
Claflin, Horace Brigham, 1811-1885
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Reynolds, Ruth M., 1916-1989
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unknown - Public Domain
Anderson, Victor E. (Victor Emmanuel), 1902-1962
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Zouche of Harringworth, Edward La Zouche, Baron, 1556?-1625
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Hager, Hermann, 1816-1897
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Watson, John, 1725-1783
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Kendall, Paul W. (Paul Wilkins), 1898-1983
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Fouquet, Jean, approximately 1420-approximately 1480
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Gibbs, J. Willard (Josiah Willard), 1839-1903
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Genevieve719 - CC BY 2.0
Miller, Jonny Lee
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Coleman, Charles Caryl, 1840-1928
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Goria, A. (Alexandre), 1823-1860
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Reggie Bibbs - CC BY 2.0
Bach, Catherine, 1954-
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Armey, Richard K., 1940-....
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not specified, courtesy of the Hemingway Foundation - CC BY-SA 2.5
Von Kurowsky, Agnes
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Sothern, Ann, 1909-2001
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unknown -
Montessori, Maria, 1870-1952
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Heidi Lehwalder - CC BY-SA 4.0
Salzedo, Carlos
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Frank Hamilton - CC BY-SA 3.0
Nouwen, Henri J.M.
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Lalande, Joseph Jérôme Le Français de, 1732-1807
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Moody, Ron
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Mike Peel/Attribution - CC BY-SA 4.0
Brown, John C., 1947-