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US Government Printing Office - Public Domain
Various - Public Domain
unknown - Public Domain
Dan Lundberg - CC BY-SA 2.0
NdFrayssinet - Public Domain
SPullin - CC BY-SA 3.0
~Pyb - CC BY-SA 3.0
William Stocking, Gordon K. Miller - Public Domain
original uploader - CC BY 3.0
Anónimo italiano siglo XVII-Biblioteca Nacional de España - CC BY-SA 4.0
United States Senate Historical Office - Public Domain
Paroxysm - Public Domain
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Nussbaum, J. N. (Johann Nepomuk), Ritter von, 1829-1890
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US Government Printing Office - Public Domain
Kyl, John H. (John Henry), 1919-2002
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Various - Public Domain
Masson, David, 1822-1907
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unknown - Public Domain
Cos, Martín Perfecto de, 1800-1854
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unknown - Public Domain
Avery, Isaac Erwin, 1828-1863
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Mulford, Prentice, 1834-1891
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unknown - Public Domain
Robortello, Francesco, 1516-1567
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Fouts, Roger.
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Dan Lundberg - CC BY-SA 2.0
Button, Dick, 1929-
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NdFrayssinet - Public Domain
Charmes, Francis, 1848-1916
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SPullin - CC BY-SA 3.0
Miller, Alex, 1936-
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~Pyb - CC BY-SA 3.0
Cauwelaert, Didier van, 1960-
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Montfaucon, Bernard de 1655-1741
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William Stocking, Gordon K. Miller - Public Domain
Williams, John R., 1782-1854
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Hidalgo, Edward, 1912-1995
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Stout, Hosea, 1810-1889
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Ferrier, Susan, 1782-1854
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Atb 1973-
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Luperón, Gregorio 1839-1897
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original uploader - CC BY 3.0
Branca, Glenn, 1948-....
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Anónimo italiano siglo XVII-Biblioteca Nacional de España - CC BY-SA 4.0
Lemos, Fernando Ruiz de Castro, Conde de m. 1601
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White, Jon Manchip, 1924-2013
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Bacon, Edwin M. (Edwin Munroe), 1844-1916
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Leibl, Wilhelm, 1844-1900
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unknown - Public Domain
Stone, William A. (William Alexis), 1846-1920
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unknown - Public Domain
Whipple, Amiel Weeks, 1817?-1863
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United States Senate Historical Office - Public Domain
Miller, H. V. M. (Homer Virgil Milton), 1814-1896
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unknown - Public Domain
Hotchkiss, Jedediah, 1828-1899
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Paroxysm - Public Domain
Fick, A. Eugen (Adolf Eugen), 1852-
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Schlumberger, Jean, 1877-1968