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Adolf Dauthage - Public Domain
Anonymous plate - Public Domain
user at project - Public Domain
William R Howell - Public Domain
Ailura - CC BY-SA 3.0
Mingle MediaTV - CC BY-SA 2.0
William Morton Jackson Rice - Public Domain
Barlowjc - CC BY-SA 3.0
Mathew Brady - Public Domain
Julian Vannerson (1827-1875) - Public Domain
unknown - Public Domain
Allan warren - CC BY-SA 3.0
Becker & Maass, Berlin; Cropped by Ravit - Public Domain
Photo by Tom Pich - Public Domain
Stellar Publishing / unidentified staff artist - Public Domain
Bert Verhoeff / Anefo -
Slowking4 -
Jdec -
Charles Ernest Butler - Public Domain
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Adolf Dauthage - Public Domain
Eckert, Karl Anton Florian, 1820-1879
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Anonymous plate - Public Domain
Chodźko, Alexander, 1804-1891
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user at project - Public Domain
Rosenquist, James, 1933-....
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William R Howell - Public Domain
Markham, Pauline, 1847-1919
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Ailura - CC BY-SA 3.0
Suárez, Luis, 1987-
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Rixey, Presley Marion, 1852-1928
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Pastore, John O. (John Orlando), 1907-2000
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Mingle MediaTV - CC BY-SA 2.0
Arquette, David
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Skene, W. F. (William Forbes), 1809-1892
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William Morton Jackson Rice - Public Domain
Fowler, Frank, 1852-1910
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Barlowjc - CC BY-SA 3.0
Folsom, William H. C. (William Henry Carman), 1817-1900
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Burnet, F. M. (Frank Macfarlane), Sir, 1899-1985
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Mathew Brady - Public Domain
Speed, James, 1812-1887
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Julian Vannerson (1827-1875) - Public Domain
Gilman, Charles Jervis, 1824-1901
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Townsend, John Kirk, 1809-1851
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unknown - Public Domain
Rice, Alexander Hamilton, 1818-1895
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Allan warren - CC BY-SA 3.0
Courtenay, Tom
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Steward, Richard, 1593?-1651
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Brosset, Marie-Félicité (1802-1880).
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Becker & Maass, Berlin; Cropped by Ravit - Public Domain
Eitingon, M. (Max), 1880-1943
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Photo by Tom Pich - Public Domain
Fuller, Curtis, 1934-....
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Stellar Publishing / unidentified staff artist - Public Domain
Afford, Max, 1906-1954
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Bert Verhoeff / Anefo -
Killanin, Michael Morris, Baron, 1914-1999
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unknown - Public Domain
Chapman, Reuben, 1799-1882
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Slowking4 -
Rodríguez, Richard 1944-
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Hinton, James, 1822-1875
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Jdec -
Zimbardo, Philip G.
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Charles Ernest Butler - Public Domain
Baylis, Lilian, 1874-1937
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Dante, Joe, 1948-
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Vinci, Leonardo, -1730