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unknown -
Contemporary photograph - Public Domain
anonymous - Public Domain
unknown - Public Domain
The Illustrated American Pub. Co. - Public Domain
German Federal Archives (Bundesarchiv) eusc - CC BY-SA 3.0
Joseph Kriehuber - Public Domain
Mwadley - CC BY-SA 3.0
User at project link - Public Domain
John Mathew Smith & www.celebrity-photos.com - CC BY-SA 2.0
Public Domain
unknown photographer - CC BY-SA 3.0
White House photographer Robert Knudsen - Public Domain
Thelmadatter - CC BY-SA 3.0
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unknown -
Florence, Lella Secor, 1887-1966
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Contemporary photograph - Public Domain
Briggs, Charles A. (Charles Augustus), 1841-1913
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anonymous - Public Domain
MacKaye, Percy, 1875-1956
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unknown - Public Domain
Clegg, Samuel, 1781-1861
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unknown - Public Domain
Sobinov, Leonid Vitalʹevich, 1872-1934
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Loring, Charles M. (Charles Morgridge), 1832-1922
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Louis, Cardinal of Guise, 1556-1588
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Hirst, George Herbert
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The Illustrated American Pub. Co. - Public Domain
Blauvelt, Lillian, 1873-1947
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German Federal Archives (Bundesarchiv) eusc - CC BY-SA 3.0
Burckhardt, Jacob, 1818-1897
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Beck, Charles, 1798-1866
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Joseph Kriehuber - Public Domain
Böhm, Joseph, 1795-1876
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Mwadley - CC BY-SA 3.0
Rice, Justin
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Alda, Frances
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Pojar, Břetislav 1923-
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unknown -
Phillips, Samuel, 1752-1802
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La Vallée Poussin, Charles Jean de, 1866-
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Potts, Cameron, 1971-
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Danspeckgruber, Wolfgang F.
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Norton, Joshua Abraham, 1819-1880
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User at project link - Public Domain
Tosatti, Vieri, 1920-1999
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Hubbard, Richard Bennett, 1832-1901
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John Mathew Smith & www.celebrity-photos.com - CC BY-SA 2.0
Walters, Barbara, 1929-2022
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Cherberg, John A. (John Andrew), 1910-1992
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Public Domain
Baker, H. F. (Henry Frederick), 1866-1956
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Weinstein, Allen, 1937-2015
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unknown photographer - CC BY-SA 3.0
Taiaroa, Hori Kerei, -1905
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Guillaume, Eugène, 1822-1905
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White House photographer Robert Knudsen - Public Domain
Nehru, B. K. (Braj Kumar), 1909-2001
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Thelmadatter - CC BY-SA 3.0
Díaz Mirón, Salvador, 1853-1928