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unknown - Public Domain
Slowking -
Spegelreflex - CC BY 3.0
Alan Light - CC BY 2.0
Leon B. - CC BY-SA 2.5
unknown, derivate work by Chumwa -
jeanbaptisteparis - CC BY-SA 2.0
Metropolitan Magazine, Co. - Public Domain
JaSunni - CC BY-SA 3.0
wd - Public Domain
Bain News Service, publisher - Public Domain
U.S. Army - Public Domain
Apeda (picture credit) - Public Domain
Pierre Petit (1832 – 1909) - Public Domain
Royal Society Portraits - Public Domain
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Hériat, Philippe, 1898-1971
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unknown - Public Domain
Brackett, Anna C. (Anna Callender), 1836-1911
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Slowking -
Nelson, Marilyn, 1946-
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Hall, John, 1627-1656
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Romero, César, 1907-1994
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Spegelreflex - CC BY 3.0
Hammarskiöld, Hans 1925-
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Alan Light - CC BY 2.0
Henderson, Florence
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Leon B. - CC BY-SA 2.5
Becker, Jurek, 1937-1997
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unknown, derivate work by Chumwa -
O'Mahony, Pierce Charles de Lacy, 1850-1930
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jeanbaptisteparis - CC BY-SA 2.0
Drucker, Johanna, 1952-....
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Metropolitan Magazine, Co. - Public Domain
Fremstad, Olive, -1951
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McNair, Frederick Vallette, 1882-1962
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unknown - Public Domain
Wallace, Charles William, 1865-1932
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JaSunni - CC BY-SA 3.0
Matheson, Richard, 1926-2013
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wd - Public Domain
Gruber, Franz Xaver, 1787-1863
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unknown - Public Domain
Stein, Edith, Saint, 1891-1942
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Leese, Jacob P. (Jacob Primer), 1809-1892
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Bain News Service, publisher - Public Domain
Rice, Sam, 1890-1974
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Bain News Service, publisher - Public Domain
Dodge, Henry Percival, 1870-1936
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U.S. Army - Public Domain
Clarke, Bruce C. (Bruce Cooper), 1901-1988
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Panizza, Oskar, 1853-1921
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unknown - Public Domain
Ledru-Rollin, 1807-1874
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Apeda (picture credit) - Public Domain
Rose, Ruth, 1896-1978
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unknown - Public Domain
Gilbert, A. C. (Alfred Carlton), 1884-1961
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Nattier, Jean-Marc, 1685-1766
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Cleveland, Charles Fitzroy, Duke of, 1662-1730
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Digges, Dudley, 1879-1947
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Pierre Petit (1832 – 1909) - Public Domain
Lecocq, Alexandre Charles
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Royal Society Portraits - Public Domain
Fréchette, Louis Honoré, 1839-1908
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Blache, Jean-Baptiste 1765-1834