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Gene Jackson - CC BY-SA 2.0
Acscosta - CC BY-SA 3.0
Swedish National Heritage Board - Public Domain
Leonardo Barbieri - Public Domain
Public Domain
ClassicalScholar - CC BY-SA 4.0
Harris & Ewing. - Public Domain
Cybjorg - CC BY-SA 3.0
sinaloaarchivohistorico -
Frank Ockenfels - CC BY-SA 3.0
unknown - Public Domain
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Gene Jackson - CC BY-SA 2.0
Tolliver, Charles
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Acscosta - CC BY-SA 3.0
Salazar, Abel, 1889-1946
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Swedish National Heritage Board - Public Domain
Thomas, William Widgery, 1839-1927
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Leonardo Barbieri - Public Domain
Guerra y Noriega, José de la, 1779-1858
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Kibbey, Joseph H. (Joseph Henry), 1853-1924
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Maciunas, George, 1931-1978
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Perkins, Sam, 1961-
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Public Domain
Coelho, Tony
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Hyatt, John W. (John Wesley), 1837-1920
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Molcho, Solomon
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Heuss, Theodor, 1884-1963
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ClassicalScholar - CC BY-SA 4.0
Bremer, John, 1927-
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Rosebery, Albert Edward Harry Meyer Archibald Primrose, Earl of, 1882-1974
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Harris & Ewing. - Public Domain
Jelliffe, Smith Ely, 1866-1945
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Cybjorg - CC BY-SA 3.0
National Air and Space Museum
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Farnum, William, 1876-1953
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United States. National Arboretum
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Horrocks, Brian, 1895-1985
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Reuter, Enzio
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Canfield, Gordon, 1898-1972
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Childress, George Campbell, 1804-1841
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Ellsworth, James W. (James William), 1849-1925
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sinaloaarchivohistorico -
Reverdy, Pierre, 1889-1960
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Church, Richard, Sir, 1784-1873
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Public Domain
Eeden, Frederik van 1860-1932
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Johnston, George, 1797-1855
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Sonnevi, Göran, 1939-
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Frank Ockenfels - CC BY-SA 3.0
Lennon.
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unknown - Public Domain
Darlington, James Henry, 1856-1930
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Campbell, Beatrice, 1922-1979