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Not stated - Public Domain
no name - Public Domain
Frederick Calvin Norton, author. Reproduction of Connecticut State Library portrait by George F. Wright. - Public Domain
A. J. Kane (compiler) - Public Domain
unknown - Public Domain
anonymous - Public Domain
Splitwoman - CC BY-SA 3.0
Mathew Brady Levin Corot Handy - Public Domain
National Institute of Standards and Technology - Public Domain
The Bookman - Public Domain
unknown photographer - Public Domain
Georg Brokesch - Public Domain
Original uploader was ACT1 -
James Forbes - Public Domain
V. Floyd Campbell - Public Domain
Ron Baker - CC BY-SA 3.0
Mons.anner - CC BY-SA 3.0
User at project link - Public Domain
Image from Wikimedia Commons
Not stated - Public Domain
Kerby, William J. (William Joseph), 1870-1936
Image from Wikimedia Commons
no name - Public Domain
Cole, Alphaeus Philemon, 1876-1988
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Hertzog, James Barry Munnik, 1866-1942
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Birch-Pfeiffer, Charlotte, 1800-1868
Image from Wikimedia Commons
Frederick Calvin Norton, author. Reproduction of Connecticut State Library portrait by George F. Wright. - Public Domain
Andrews, Charles Bartlett, 1834-1902
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Whittlesey, Faith Ryan
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Fleming, William H. (William Henry), 1856-1944
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Scott, Hazel
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Marsh, Edward Howard, Sir, 1872-1953
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A. J. Kane (compiler) - Public Domain
Taylor, Charles Henry, 1846-1921
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unknown - Public Domain
Hidalgo y Costilla, Miguel, 1753-1811
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Andrews, Harry, 1911-1989
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anonymous - Public Domain
Takamine, Jōkichi, 1854-1922
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Stamitz, Johann, 1717-1757
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Splitwoman - CC BY-SA 3.0
Schulz, Kathryn
Image from Wikimedia Commons
Mathew Brady Levin Corot Handy - Public Domain
MacVeagh, Wayne, 1833-1917
Image from Wikimedia Commons
National Institute of Standards and Technology - Public Domain
Briggs, Lyman J. (Lyman James), 1874-1963
Image from Wikimedia Commons
The Bookman - Public Domain
Weitenkampf, Frank, 1866-1962
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Marini, Marino, 1901-1980
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Kaneko, Kentarō, 1853-1942
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unknown photographer - Public Domain
Wagner, Winifred
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Freiligrath, Ferdinand, 1810-1876
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unknown - Public Domain
Smith, James Francis, 1859-1928
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Georg Brokesch - Public Domain
Klengel, Julius, 1859-1933
Image from Wikimedia Commons
Original uploader was ACT1 -
Kalogridis, Jeanne
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James Forbes - Public Domain
Jennings, Jonathan, 1784-1834
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V. Floyd Campbell - Public Domain
Doubleday, Frank Nelson, 1862-1934
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Ron Baker - CC BY-SA 3.0
Brown, Junior
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Mons.anner - CC BY-SA 3.0
Afzelius, Björn, 1947-....
Image from Wikimedia Commons
User at project link - Public Domain
Zedda, Alberto