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Herbert Lambert - CC0 1.0
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book by Leander McCormick - Public Domain
Miyagawa - CC BY-SA 3.0
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Unknown - CC BY-SA 4.0
Antonio Bertulli (''floruit'' 1860-1890) - Public Domain
Tshrinivasan - CC BY-SA 3.0
Erwinnecrumb - CC BY-SA 3.0
Giuseppe Emanuele Ortolani - Public Domain
Dmitry Rozhkov - CC BY-SA 4.0
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Wilson, Edward Osborne, 1929-
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Mason, Raymond, 1922-2010
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Silver, Sandy
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Maddux, Sam, 1914-1990
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Noble, Denis, 1936-....
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Herbert Lambert - CC0 1.0
Quilter, Roger, 1877-1953
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Zweig, Arnold, 1887-1968
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unknown - Public Domain
Yoder, Paul
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Katō, Takaaki, 1860-1926
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Godowsky, Dagmar
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Plumbe, Rowland
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book by Leander McCormick - Public Domain
McCormick, Leander J. (Leander James), 1819-1900
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Clemens, Brackenridge, 1825-1867
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Falconer, William, 1732-1769
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Miyagawa - CC BY-SA 3.0
Lively, Penelope, 1933-....
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Bonald, Louis-Gabriel-Ambroise, vicomte de, 1754-1840
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Mackenzie, George Steuart, Sir, 1780-1848
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Unknown - CC BY-SA 4.0
Rosseland, Svein, 1894-1985
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Robin, Dany
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Agramonte y Loynaz, Ignacio, 1841-1873
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Antonio Bertulli (''floruit'' 1860-1890) - Public Domain
Pedrotti, Carlo, 1817-1893
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unknown - Public Domain
Smyth, R. Brough (Robert Brough), 1830-1889
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Leipoldt, C. Louis (Christiaan Louis), 1880-1947
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Tshrinivasan - CC BY-SA 3.0
Kamaraj, K., 1903-1975
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Erwinnecrumb - CC BY-SA 3.0
Keller, Gary, 1957-
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Annenberg, Walter H., 1908-2002
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Giuseppe Emanuele Ortolani - Public Domain
Beccadelli, Antonio, 1394-1471
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Dmitry Rozhkov - CC BY-SA 4.0
Khut︠s︡iev, Marlen, 1925-
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Murray of Newhaven, Keith Anderson Hope, Baron, 1903-
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Gordon, William, 1736-1816