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artwork drawn by Adolph Boÿ, engraved by Jeremias Falck - Public Domain
Will H. Lowe - Public Domain
Rob Stranae (f. c. 1695) - Public Domain
John Kay - Public Domain
SentoDude - CC BY-SA 3.0
unknown - Public Domain
Nv8200p - CC BY-SA 3.0
Veronicamae - CC BY-SA 3.0
Потребител Opera -
Public Domain
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artwork drawn by Adolph Boÿ, engraved by Jeremias Falck - Public Domain
Alhazen, 965-1039
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Will H. Lowe - Public Domain
St. Castin, Jean Vincent d'Abbadie, baron de, 1652-1707
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Prévost, abbé, 1697-1763
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Rob Stranae (f. c. 1695) - Public Domain
Pitcairn, Archibald, 1652-1713
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Johnson, Malvin Gray, 1896-1934
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Manning, Daniel, 1831-1887
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John Kay - Public Domain
Jamieson, John, 1759-1838
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Servetus, Michael, 1511?-1553
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SentoDude - CC BY-SA 3.0
Lee, Jeanette
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Mason, Marsha
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Lawson, Ernest, 1873-1939
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Moore, Thomas, 1779-1852
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Ella, John, 1802-1888
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unknown - Public Domain
Sleeper, Albert E., 1862-1934
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Király Zoltán 1948-
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Sherman, Charles Robert, 1788-1829
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Salomon, Siegfried
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Stoddard, Richard Henry, 1825-1903
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Nv8200p - CC BY-SA 3.0
Butler, Robert Olen.
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Nv8200p - CC BY-SA 3.0
Giardina, Anthony.
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Veronicamae - CC BY-SA 3.0
Menzel, Idina
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Huber, Max, 1874-1960
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Ayers, Henry, 1821-1897
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Потребител Opera -
Dimitrova, Gena Macheva, 1941-2005
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Matthay, Tobias, 1858-1945
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Saunders, William, 1822-1900
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Woodville, Richard Caton, 1856-1927
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Public Domain
Dominick, Peter H. (Peter Hoyt), 1915-1981
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Wood, Natalie
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Furniss, Harry, 1854-1925