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artist unknown - Public Domain
United States Commission on Religious Freedom - Public Domain
Simon Speed (Simonxag - Public Domain
Arnold Genthe - Public Domain
unknown - Public Domain
Studio Publicity - Public Domain
Teddyyy - CC BY 3.0
unknown - CC BY-SA 2.5
Goodwin & Company - Public Domain
19photographer - Public Domain
Linnean Society - Public Domain
Wright & Cook - Public Domain
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artist unknown - Public Domain
Smith, Samuel Harrison, 1808-1844
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Woodbury, Charles H. (Charles Herbert), 1864-1940
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Munn, Orson Desaix, 1824-1907
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United States Commission on Religious Freedom - Public Domain
Land, Richard D.
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Kaukonen, Jorma
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Adams, John T. (John Taylor), 1862-1939
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Torbert, Alfred Thomas Archimedes, 1833-1880
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Gregg, John Robert, 1867-1948
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Macclesfield, Thomas Parker, Earl of, 1666?-1732
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Simon Speed (Simonxag - Public Domain
Huddleston, Trevor, 1913-1998
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Gleason, Henry A. (Henry Allan), 1917-
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Lasker, Edward, 1885-1981
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Juxon, William, 1582-1663
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Borchert, Wolfgang, 1921-1947
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Derzhavin, Gavriil Romanovich, 1743-1816
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Wharton, Samuel, 1732-1800
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Arnold Genthe - Public Domain
King, Ginevra, 1898-1980
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unknown - Public Domain
White, Eartha Mary Magdeline, 1876-1974
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Isidore, of Seville, Saint, -636
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Gellert, Christian Fürchtegott, 1715-1769
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Studio Publicity - Public Domain
Jackson, Glenda
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Teddyyy - CC BY 3.0
Birkin, Jane, 1946-....
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unknown - CC BY-SA 2.5
ʿAlāʾ, Ḥusayn 1882-1964
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Goodwin & Company - Public Domain
Morrill, John F., 1855-1932
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19photographer - Public Domain
Ristori, Adelaide, 1822-1906
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unknown - Public Domain
Gómez-Correa, Enrique, 1915-1995
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Linnean Society - Public Domain
Strasburger, Eduard, 1844-1912
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Grant, James, 1720-1806
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Wright & Cook - Public Domain
Connor, Jerome, 1874-1943
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Mudd, Samuel Alexander, 1833-1883