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anonymous -
Siebbi -
Kubacheck - CC BY 2.0
unknown photographer - Public Domain
Harris & Ewing - Public Domain
Yamashita Yohei - CC BY 2.0
Ratofante - CC BY-SA 4.0
Totorvdr59 - CC BY-SA 4.0
Mathew Brady Levin Corot Handy - Public Domain
From 1891's "History of the Sixth New Hampshire Regiment in the War for the Union" by Captain Lyman Jackson, Historian, and Amos Hadley, Ph.D., Editor. - Public Domain
Presidential Press and Information Office, derivative work: t-piston - CC BY 4.0
David Simpson (cajunzydecophotos) - CC BY-SA 2.0
前川写真館（神奈川県横浜市） - Public Domain
Fotopersbureau Groningen - Public Domain
unknown - Public Domain
Louis Anquetin - Public Domain
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anonymous -
Wils, Jan, 1891-1972
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Siebbi -
Slater, Christian.
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Hawley, John B. (John Baldwin), 1831-1895
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Kubacheck - CC BY 2.0
Nile, Willie
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unknown photographer - Public Domain
Rivel, Charlie, 1896-1983
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Harris & Ewing - Public Domain
Hale, William Bayard, 1869-1924
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Yamashita Yohei - CC BY 2.0
Murakami, Takashi, 1962-
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Earp, Wyatt, 1848-1929
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Parnell, Charles Stewart, 1846-1891
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Ratofante - CC BY-SA 4.0
Baltsa, Agnes
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Totorvdr59 - CC BY-SA 4.0
Duport, J. L. (Jean Louis), 1749-1819
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Mathew Brady Levin Corot Handy - Public Domain
Cullom, Shelby M. (Shelby Moore), 1829-1914
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Hardeman, William Polk, 1816-1898
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Boyer, Myriam
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From 1891's "History of the Sixth New Hampshire Regiment in the War for the Union" by Captain Lyman Jackson, Historian, and Amos Hadley, Ph.D., Editor. - Public Domain
Nute, Alonzo, 1826-1892
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Presidential Press and Information Office, derivative work: t-piston - CC BY 4.0
Spivakov, Vladimir, 1944-....
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David Simpson (cajunzydecophotos) - CC BY-SA 2.0
Newman, Jimmy C.
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前川写真館（神奈川県横浜市） - Public Domain
Abe, Isoo, 1865-1949
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Ludlow, George D. (George Duncan), 1734-1808
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Smalridge, George, 1663-1719
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Sibthorp, Charles De Laet Waldo, 1783-1855
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Fotopersbureau Groningen - Public Domain
Rhijn, P. J. van (Pieter Johannes), 1886-
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Plivier, Theodor, 1892-1955
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Ames, Adelbert, 1880-1955
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unknown - Public Domain
Suk, Josef, 1874-1935
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Connor, Eugene, 1897-1973
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Culberson, David B. (David Browning), 1830-1900
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Newman, Robert, 1827-1912.
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Louis Anquetin - Public Domain
Anquetin, Louis, 1861-1932
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Day, Doris, 1922-