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unknown - Public Domain
Uyvsdi - Public Domain
Gage Skidmore - CC BY-SA 3.0
George Grantham Bain Collection (Library of Congress) - Public Domain
Georg Christophe Kilian - Public Domain
Unknown military photographer of the Signal Corps - Public Domain
GFHund - CC BY 3.0
Julien Reynaud; - CC BY-SA 2.5
Josef Kriehuber (*Wien 1800 - 1876 Wien) - Public Domain
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w:Aleksander Orłowski - Public Domain
zeitgenössischer Stecher, um 1830 - Public Domain
unknown -
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unknown - Public Domain
Dietz, Robert S. (Robert Sinclair), 1914-1995
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Thomson, Thomas, 1768-1852
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Fuller, Timothy, 1778-1835
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Welch, William Henry, 1850-1934
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unknown - Public Domain
Thorsness, Leo (Leo K.), 1932-
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Uyvsdi - Public Domain
Hinton, Leanne.
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Gage Skidmore - CC BY-SA 3.0
Madsen, Michael
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George Grantham Bain Collection (Library of Congress) - Public Domain
Longstreet, Helen Dortch, -1962
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Georg Christophe Kilian - Public Domain
Kilian, Wolfgang, 1581-1662
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Greene, Frank L. (Frank Lester), 1870-1930
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Unknown military photographer of the Signal Corps - Public Domain
Hobbs, Leland S. (Leland Stanford), 1892-1966
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Kluge, Günther von 1882-1944
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Ogilvie, William, 1846-1912
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Yamānī, Aḥmad Zakī, 1930-
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Balfour, H. H. (Harold Harington), 1897-1988
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Peck, Jesse T. (Jesse Truesdell), 1811-1883
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Wilcox, R. W. (Robert William), 1855-1903
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Olds, Edson B. (Edson Baldwin), 1802-1869
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GFHund - CC BY 3.0
Minkowski, Rudolf 1895-1976
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Julien Reynaud; - CC BY-SA 2.5
Marie Myriam 1957-....
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Josef Kriehuber (*Wien 1800 - 1876 Wien) - Public Domain
Stampfer, Simon, 1790-1864
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Hewlett, William R.
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Basinski, William, 1958-
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w:Aleksander Orłowski - Public Domain
Clementi, Muzio, 1752-1832
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Williams, Harcourt, 1880-1957
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Gainsborough, Thomas, 1727-1788
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Sotomayor, Sonia, 1954-
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Shooter, Jim
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zeitgenössischer Stecher, um 1830 - Public Domain
Giustiniani, Giacomo
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unknown -
Tassaert, Octave, 1800-1874