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unknown - Public Domain
attributed to John Hoskins - Public Domain
Mohanjuneja - CC BY 3.0
MHarrison - CC BY-SA 3.0
not stated - Public Domain
Bdubay - CC BY-SA 3.0
Helene C. Stikkel - Public Domain
Alexisrael - CC BY-SA 3.0
Microsoft PDC - CC BY 2.0
Unknown military photographer of the U.S. Army Signal Corps - Public Domain
Destitute - Public Domain
Samaksasanian - Public Domain
Giacomo Favretto - Public Domain
Nickm57 - CC BY-SA 4.0
Sgerbic - CC BY-SA 3.0
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unknown - Public Domain
Phillips, Catharine Payton, 1727-1794
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attributed to John Hoskins - Public Domain
Falkland, Lucius Cary, Viscount, 1610?-1643
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Prinzhorn, Hans, 1886-1933
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Companys y Jover, Luis, 1882-1940
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Patterson, J. H. (John Henry), 1867-1947
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Mohanjuneja - CC BY 3.0
Reaney, James
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MHarrison - CC BY-SA 3.0
Price, Ray, 1926-2013
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not stated - Public Domain
Nason, Frank Lewis
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Bdubay - CC BY-SA 3.0
Hennacy, Ammon, 1893-1970
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Holberg, Ludvig, 1684-1754
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Helene C. Stikkel - Public Domain
Robertson of Port Ellen, George, Lord, 1946-
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Alexisrael - CC BY-SA 3.0
Morehead, John Motley, 1796-1866
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Microsoft PDC - CC BY 2.0
Lampson, Butler W.
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Prévost, Constant, 1787-1856
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Unknown military photographer of the U.S. Army Signal Corps - Public Domain
Palmer, Charles D. (Charles Day), 1902-1999
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Destitute - Public Domain
Lubetzky, Seymour
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Wilson, Henry, 1864-1922
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Matthew, William Diller, 1871-1930
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Samaksasanian - Public Domain
Javan, Ali, 1926-....
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unknown - Public Domain
Gamelin, Maurice-Gustave 1872-1958
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Giacomo Favretto - Public Domain
Favretto, Giacomo, 1849-1887
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Nickm57 - CC BY-SA 4.0
Cain, John, 1931-
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Swinton, Tilda
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McCracken, Paul W. (Paul Winston), 1915-2012
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Sgerbic - CC BY-SA 3.0
Morrison, David, 1940-....
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Walsh, Edmund A. (Edmund Aloysius), 1885-1956
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Cornazzano, Antonio, 1429-1484
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Gutfreund, Oto, 1889-1927
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Khūrī, Bishārah Khalīl, 1890-1964
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Taneev, Sergeĭ Ivanovich, 1856-1915