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Nano-lit - CC BY-SA 4.0
U.S. Air Force photo/Master Sgt. Scott Wagers - Public Domain
inclusivesecurity - CC BY 2.0
Gualbert - CC BY-SA 3.0
Illustration is uncited, but the journal editors are: Charles Dudley Warner, Hamilton Wright Mabie, Mrs. Lucia Isabella (Gilbert) Runkle, George H. Warner - Public Domain
Gottfried August Gründer - Public Domain
Yotamie1996 - CC BY-SA 4.0
Ted Van Pelt - CC BY 2.0
The Bookman - Public Domain
Georges Biard - CC BY-SA 3.0
Albert C. Gannaway - Public Domain
John Illtud Daniel - CC BY-SA 4.0
unknown - Public Domain
user at project - Public Domain
Library of Congress - Public Domain
Joseph Kriehuber scanned by :de:Peter Geymayer - Public Domain
unknown, upload by Parpan05 - Public Domain
E.jokovich - CC BY-SA 3.0
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Nano-lit - CC BY-SA 4.0
Morgan, John, 1930-2004
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Tempest, Pierce, 1653-1717
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U.S. Air Force photo/Master Sgt. Scott Wagers - Public Domain
Schieffer, Bob.
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inclusivesecurity - CC BY 2.0
Hunt, Swanee
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Randall, Alexander, 1803-1881
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Haag, Carl, 1820-1915
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Gualbert - CC BY-SA 3.0
Roux, Phil. Jos., 1780-1854
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Rowan, Dan
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Illustration is uncited, but the journal editors are: Charles Dudley Warner, Hamilton Wright Mabie, Mrs. Lucia Isabella (Gilbert) Runkle, George H. Warner - Public Domain
Barlow, Jane, 1857?-1917
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Gottfried August Gründer - Public Domain
Walch, Johann Georg, 1693-1775
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Yotamie1996 - CC BY-SA 4.0
Ariel, Meir
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Ted Van Pelt - CC BY 2.0
Rutherford, Johnny, 1938-
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Bauermeister, Mary, 1934-....
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Desvallières, George, 1861-1950
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Bowman, Lee, 1914-1979
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The Bookman - Public Domain
Weitenkampf, Frank, 1866-1962
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Prevost, George, 1767-1816
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Georges Biard - CC BY-SA 3.0
Macdowell, Andie
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Albert C. Gannaway - Public Domain
Van Cleef, Lee, 1925-1989
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John Illtud Daniel - CC BY-SA 4.0
Chamberlain, Brenda
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unknown - Public Domain
Morritt, Charles, 1861-1936
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user at project - Public Domain
Williams, Don, 1939-
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Library of Congress - Public Domain
Zimmermann, Warren
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Joseph Kriehuber scanned by :de:Peter Geymayer - Public Domain
Weigl, Joseph, 1766-1846
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unknown, upload by Parpan05 - Public Domain
Hailmann, W.N. (William Nicholas), 1836-1920
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Bachardy, Don, 1934-....
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Campbell, William Wallace, 1862-1938
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unknown - Public Domain
Vīrēśaliṅgaṃ, Kandukūri, 1848-1919
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E.jokovich - CC BY-SA 3.0
Buckley, Brad, 1952-....
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Verkade, Jan, 1868-1946