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Infofiltrage - CC0 1.0
El Liberal, Madrid - Public Domain
Desconocido; finales del siglo XIX - Public Domain
:de:Emil Stumpp - Public Domain
Allan warren - CC BY-SA 3.0
Abxbay - CC BY-SA 3.0
unknown - Public Domain
:en:Joseph Blackburn (painter) - Public Domain
Randall - Public Domain
Poori95 - CC BY-SA 4.0
Curtis Gates Lloyd (1898 - 1925) - Public Domain
James Peale (1749-1831) - Public Domain
Archibald Geikie - Public Domain
:Category:Hermann Lüders - Public Domain
Willem van de Poll - CC BY-SA 3.0
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Infofiltrage - CC0 1.0
Prévost-Paradol, Lucien-Anatole, 1829-1870
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Wells, Spencer, 1818-1897
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El Liberal, Madrid - Public Domain
Granés, Salvador María, 1838-1911
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Rutini, Giovanni Marco, 1723-1797
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Desconocido; finales del siglo XIX - Public Domain
Renan, Ary, 1857-1900
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United Indians of All Tribes Foundation (U.S.)
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:de:Emil Stumpp - Public Domain
Halt, Karl, Ritter von, 1891-1964
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Archer, Thomas, 1823-1905
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Tierney, Gene
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Allan warren - CC BY-SA 3.0
Hird, Thora
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Granvelle, Antoine Perrenot de 1517-1586
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Chocano, José Santos, 1875-1934
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McDonald, Marshall, 1835-1895
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D'Orsay, Fifi, 1904-1983
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Volkhovskīĭ, F. (Feliks), 1846-1914
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Abxbay - CC BY-SA 3.0
Fabre, Jan, 1958-....
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unknown - Public Domain
Hubbard, Thomas H. (Thomas Hill), 1781-1857
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Ohnesorge, Wilhelm, 1872-1962
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:en:Joseph Blackburn (painter) - Public Domain
Wentworth, Benning, 1696-1770
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Riva Palacio, Mariano, 1803-1880
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Randall - Public Domain
Brewster, Chauncey B. (Chauncey Bunce), 1848-1941
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Poori95 - CC BY-SA 4.0
Fīrūzābādī, Muḥammad ibn Yaʻqūb, 1329-1414 or 1415
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Curtis Gates Lloyd (1898 - 1925) - Public Domain
Arthur, Joseph Charles, 1850-1942
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James Peale (1749-1831) - Public Domain
Cushing, Thomas H. (Thomas Humphrey), 1755-1822
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Houk, Ralph, 1919-2010
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Archibald Geikie - Public Domain
Scrope, George Poulett, 1797-1876
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Berbié, Jane
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:Category:Hermann Lüders - Public Domain
Wieprecht, W. Wilhelm 1802-1872
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Willem van de Poll - CC BY-SA 3.0
Austin, Henry Wilfrid, 1906-2000
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Dismorr, Jessica Stewart, 1885-1939