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Natalia Dobryszycka - CC BY 2.0
unknown - Public Domain
Joker Island - Public Domain
Engraved by F. H. Wellington - Public Domain
Paramount Pictures - Public Domain
after Cornelis Janssens van Ceulen - Public Domain
original uploader -
anonymous - Public Domain
attributed to Sir Anthony Coningham Sterling 1805-1871 - Public Domain
Public Domain
Fulda - Public Domain
Joseph Buchtel - Public Domain
unknown - CC BY-SA 4.0
Gage Skidmore - CC BY-SA 3.0
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Natalia Dobryszycka - CC BY 2.0
Swallow, Steve
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Hutton, James, 1726-1797
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Kohler, Walter Jodok, 1875-1940
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unknown - Public Domain
Ehrenfest, Tatiana, 1876-1964
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Joker Island - Public Domain
Pardubic, Arnošt z, 1297-1364
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Engraved by F. H. Wellington - Public Domain
Bernadou, John B. (John Baptiste), 1858-1908
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Paramount Pictures - Public Domain
Reed, George, 1866-1952
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Hillenkoetter, Roscoe Henry, 1897-1982
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Hay, George, Sir, 1715-1778
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Krumm, Michael, 1970-
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Morris, Lewis, 1833-1907
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Freud, Amalia, 1835-1929
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after Cornelis Janssens van Ceulen - Public Domain
Digges, Dudley, Sir, 1583-1639
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Goldsmith, Jack L.
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original uploader -
Farrell, Joe
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anonymous - Public Domain
Prado, Pedro, 1886-1952
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Tilley, Vesta, 1864-1952
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attributed to Sir Anthony Coningham Sterling 1805-1871 - Public Domain
Laurence, Samuel, 1812-1884
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Knudsen, Eric A. (Eric Alfred), 1872-1957
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Kiki, 1901-1953
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Holley, Marietta, 1836-1926
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Public Domain
Christian I, Prince of Anhalt-Bernburg, 1568-1630
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Fulda - Public Domain
Alcuin, 735-804
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Urban VIII, Pope, 1568-1644
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Łukasiewicz, Ignacy, 1822-1882
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Joseph Buchtel - Public Domain
Curry, Geo. L. (George Law), 1820-1878
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unknown - CC BY-SA 4.0
Wiese, Leopold von 1876-1969
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Gage Skidmore - CC BY-SA 3.0
Wead, Doug.
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unknown - Public Domain
Baermann, Heinrich, 1784-1847
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Vrancx, Sebastiaen, 1573-1647