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unknown - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
Gage Skidmore - CC BY-SA 3.0
NeilBates - CC BY-SA 3.0
Sanyambahga - CC BY-SA 3.0
Tim Kazurinsky - CC BY-SA 2.0
Civil war photographs, 1861-1865, Library of Congress, Prints and Photographs Division. - Public Domain
Tucker Collection - Public Domain
Perry, William Stevens. - Public Domain
Ghassan18 - Public Domain
Jeangagnon - CC BY-SA 3.0
Daniel J. Strain - Public Domain
Léopold-Émile Reutlinger - Public Domain
Mathew Brady - Public Domain
Adam Freese at https://www.flickr.com/photos/31582437@N05/ - CC BY 2.0
Andrzej Tadeusz Kijowski - CC BY 3.0
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Fuqua, Antoine
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unknown - Public Domain
Farren, William, 1825-1908
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Mathew Brady Levin Corot Handy - Public Domain
Cannon, George Q. (George Quayle), 1827-1901
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Gage Skidmore - CC BY-SA 3.0
Kearns, Anthony
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NeilBates - CC BY-SA 3.0
Mazowiecki, Tadeusz
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Sanyambahga - CC BY-SA 3.0
Botta, Mario, 1943-....
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Mayorga, Martín de, -1783
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Grothendieck, A. (Alexandre)
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Tim Kazurinsky - CC BY-SA 2.0
Kazurinsky, Tim 1950-....
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Bekker, Immanuel, 1785-1871
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Johnston, Joseph E. (Joseph Eggleston), 1807-1891
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Civil war photographs, 1861-1865, Library of Congress, Prints and Photographs Division. - Public Domain
White, Julius, 1816-1890
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Tucker Collection - Public Domain
Richter, Hans, 1843-1916
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Perry, William Stevens. - Public Domain
Bowen, Nathaniel, 1779-1839
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Lott, John, 1959-
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Ghassan18 - Public Domain
Hückel, Erich (1896-1980).
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Jeangagnon - CC BY-SA 3.0
Rivard, Michel
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Merkel, Una, 1903-1986
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Rosa, Carl, 1842-1889
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Daniel J. Strain - Public Domain
Robinson, George D. (George Dexter), 1834-1896
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unknown - Public Domain
Manns, August Friedrich, Sir, 1825-1907
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Laidoner, Johan, 1884-1953
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Léopold-Émile Reutlinger - Public Domain
Andral, Paule 1879-1956
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Mathew Brady - Public Domain
Bullock, Rufus B. (Rufus Brown), 1834-1907
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unknown - Public Domain
Stevens, John L. (John Leavitt), 1820-1895
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Adam Freese at https://www.flickr.com/photos/31582437@N05/ - CC BY 2.0
Leary, Denis
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Harrowby, Dudley Ryder, Earl of, 1762-1847
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unknown - Public Domain
Crawford, T. S. (Thomas Simpson), 1875-
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Andrzej Tadeusz Kijowski - CC BY 3.0
Kijowski, Andrzej, 1928-1985
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Windom, William, 1827-1891