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Haijin - CC BY 2.5
unknown - Public Domain
Public Domain
Mathew Brady Levin Corot Handy - Public Domain
United States Senate Historical Office (Washington, DC). - Public Domain
George Grantham Bain Collection; Restored by Adam Cuerden -
unknown -
Pastellgemälde von Joh. Heinrich Schröder - Public Domain
Philkon - Public Domain
Gage Skidmore - CC BY-SA 3.0
Anonymous -
Bain - Public Domain
Onehandclapping - CC BY-SA 3.0
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Haijin - CC BY 2.5
Moore, Lenard D., 1958-
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unknown - Public Domain
Corbière, Tristan, 1845-1875
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Riesz, Frigyes, 1880-1956
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Goodall, Joseph, 1760-1840
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Public Domain
Marmette, Joseph, 1844-1895
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Mathew Brady Levin Corot Handy - Public Domain
O'Neill, Charles, 1821-1893
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Anglesey, Arthur Annesley, Earl of, 1614-1686
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United States Senate Historical Office (Washington, DC). - Public Domain
Burch, John C. (John Chilton), 1826-1885
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George Grantham Bain Collection; Restored by Adam Cuerden -
Smyth, Ethel, 1858-1944
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Deakin, Alfred, 1856-1919
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Roscoe, Albert, 1887-1933
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Appling, Luke, 1907-1991
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unknown -
Leng, William C., 1825-1902
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Pastellgemälde von Joh. Heinrich Schröder - Public Domain
Kestner, Charlotte Buff, 1753-1828
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Kreis, Wilhelm, 1873-1955
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O'Donnell, Emmett, 1906-1971
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Public Domain
Cain, Harry P. (Harry Pulliam), 1906-1979
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Philkon - Public Domain
Rhodes, Zandra, 1940-....
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Namatjira, Albert, 1902-1959
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Pettenkofer, Max von 1818-1901
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Gage Skidmore - CC BY-SA 3.0
Chavez, Linda
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Anonymous -
Gould, R.T. (Rupert Thomas), 1890-1948
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Bain - Public Domain
Thomson, James M. (James McIlhany), 1878-1959
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Onehandclapping - CC BY-SA 3.0
Mackey, Nathaniel, 1947-....
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Rudd, Steele, 1868-1935
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unknown - Public Domain
Grisi, Giuditta, 1805-1840
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Powers, Caleb, 1869-1932
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Thomasius, Christian, 1655-1728
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Kitchin, Claude, 1869-1923
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Chambers, William, Sir, 1726-1796