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unknown - Public Domain
unknown -
George Barbier - Public Domain
Flickr user jakeliefer - CC BY 2.5
Public Domain
unknown, but copyright belongs to Mr. Rabe's estate - CC BY-SA 3.0
Louis-Joseph-Isnard Desjardins - Public Domain
Gaillard, Ferdinand - Public Domain
NBC - Public Domain
Magalhães - Public Domain
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unknown - Public Domain
Cruz-Coke, Eduardo
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Hare, Augustus William, 1792-1834
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unknown -
Baroncelli, Jacques de 1881-1951
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Rarey, J. S. (John Solomon), 1827-1866
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Chekhonin, Sergeĭ Vasilʹevich, 1878-1936
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George Barbier - Public Domain
Barbier, George, 1882-1932
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Gusinde, Martin, 1886-1969
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Holman, Libby
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Manly, Charles, 1795-1871
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Flickr user jakeliefer - CC BY 2.5
Duncan, Robert, 1948-
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Gilbert, Stuart
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Snyder, John W. (John Wesley), 1895-1985
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Vuillard, Édouard, 1868-1940
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Swift, Innis P. (Innis Palmer), 1882-1953
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Public Domain
Ruiz de Alarcón, Juan, 1580?-1639
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unknown, but copyright belongs to Mr. Rabe's estate - CC BY-SA 3.0
Rabe, Peter
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Louis-Joseph-Isnard Desjardins - Public Domain
Coussemaker, Charles-Edmond-Henri de, 1805-1876
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Gaillard, Ferdinand - Public Domain
Dacier, André, 1651-1722
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Whitman, Marcus, 1802-1847
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Duchenne, G.-B. (Guillaume-Benjamin), 1806-1875
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Katayama, Tetsu, 1887-1978
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Seitz, Frederick, 1911-2008
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Kahn, Otto Hermann, 1867-1934
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Reuther, Walter, 1907-1970
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unknown - Public Domain
Gairdner, W. T. (William Tennant), Sir, 1824-1907
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NBC - Public Domain
Linkletter, Art, 1912-2010
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Ellis, George Edward, 1814-1894
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Egaña, Mariano, 1793-1846
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Magalhães - Public Domain
MacArthur, Arthur, 1845-1912
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McLaughlin, M. Louise (Mary Louise), 1847-1939