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Jules Porreau - Public Domain
work-for-hire - CC BY 3.0
unknown - Public Domain
W. W. Munsell & Co. (New York), publisher. H. B. Hall & Sons (New York), engraver. - Public Domain
IAEA Imagebank -
Public Domain
Nadya Peek - CC BY-SA 2.5
anonymous - Public Domain
No conegut - Public Domain
Siebbi - CC BY 3.0
Ragesoss - CC BY-SA 3.0
User of Waffle TV YouTube channel (https://www.youtube.com/user/waffIeTvUK/) -
Charles Wells Moulton, Buffalo, New York - Public Domain
Nv8200p - CC BY-SA 3.0
Image from Wikimedia Commons
Jules Porreau - Public Domain
Lindet, Jean-Baptiste-Robert, 1749-1825
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work-for-hire - CC BY 3.0
Hazlitt, Henry, 1894-1993
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unknown - Public Domain
Meir, Jacob, 1856-1939
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Frelinghuysen, Peter H. B.
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Freeman, Bud, 1906-1991
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Brock, Isaac, 1769-1812
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Harrison, Sarah Cecilia
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unknown - Public Domain
Adams, William Wirt, 1819-1888
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W. W. Munsell & Co. (New York), publisher. H. B. Hall & Sons (New York), engraver. - Public Domain
Maurice, James, 1814-1884
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Lenoir, Alexandre, 1761-1839
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IAEA Imagebank -
Khoman, Thanat
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Eckert, Fred J., 1941-
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Jensen, Thit, 1876-1957
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Public Domain
Overall, John, 1560-1619
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Nadya Peek - CC BY-SA 2.5
Bakker, Gijs, 1942-....
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anonymous - Public Domain
Isaac, Bishop of Nineveh, active 7th century
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Whelan, Michael, 1950-
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Glaser, Milton
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unknown - Public Domain
McCreary, James B. (James Bennett), 1838-1918
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Wolf, Ernst Wilhelm, 1735-1792
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No conegut - Public Domain
Niven, W. D. (William Davidson), Sir, 1842-1917
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unknown - Public Domain
Olivetti, Adriano
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Procope, Russell, 1908-1981
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Siebbi - CC BY 3.0
Redgrave, Vanessa, 1937-....
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Ragesoss - CC BY-SA 3.0
Weart, Spencer R., 1942-....
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User of Waffle TV YouTube channel (https://www.youtube.com/user/waffIeTvUK/) -
Brandreth, Gyles Daubeney, 1948-....
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Charles Wells Moulton, Buffalo, New York - Public Domain
Dorr, Julia C. R. (Julia Caroline Ripley), 1825-1913
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Jones, J. Glancy (Jehu Glancy), 1811-1878
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Nv8200p - CC BY-SA 3.0
Berg, A. Scott (Andrew Scott)
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Mundy (Musician)