Image from Wikimedia Commons
E. A. Gifford - Public Domain
unknown, probably Benedykt Jerzy Dorys - Public Domain
Leftofcentresayshi - CC BY-SA 3.0
Not stated - Public Domain
unknown - Public Domain
Unknown - Public Domain
Attributed to Gilbert Stuart (American, 1755-1828) - Public Domain
unknown photographer -
US Government Printing Office - Public Domain
No photographer credited - Public Domain
Michael Locke - CC BY 2.0
Georg Friedrich Schlater - Public Domain
Jim.henderson - CC0 1.0
Photo Pierson (Paris) - Public Domain
Haeseler - Public Domain
Image from Wikimedia Commons
Thomas, Joe, 1909-1984
Image from Wikimedia Commons
E. A. Gifford - Public Domain
Moresby, Fairfax, Sir, 1786-1877
Image from Wikimedia Commons
unknown, probably Benedykt Jerzy Dorys - Public Domain
Wygodzki, Stanisław, 1907-1992
Image from Wikimedia Commons
Gerber, Ernst Ludwig, 1746-1819
Image from Wikimedia Commons
Leftofcentresayshi - CC BY-SA 3.0
Patterson, Glenn, 1961-....
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Not stated - Public Domain
Cozzens, Frederic S. (Frederic Swartwout), 1818-1869
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unknown - Public Domain
Arnold, Eberhard, 1883-1935
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Unknown - Public Domain
Poulsen, Valdemar.
Image from Wikimedia Commons
Attributed to Gilbert Stuart (American, 1755-1828) - Public Domain
Hays, Moses Michael, 1739-1805
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unknown photographer -
Denison, William, Sir, 1804-1871
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Herwegh, Georg, 1817-1875
Image from Wikimedia Commons
US Government Printing Office - Public Domain
Anfuso, Victor L., 1905-1966
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unknown - Public Domain
Voronoff, Serge, 1866-1951
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No photographer credited - Public Domain
Winston, Ellen Black, 1903-1984
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Thompson, Peter (Peter A.)
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Velden, Petrus van der, 1837-1913
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Richardson, Jonathan, 1665-1745
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unknown - Public Domain
Farren, William, 1825-1908
Image from Wikimedia Commons
Michael Locke - CC BY 2.0
Lynch, Kelly, 1959-....
Image from Wikimedia Commons
Newberry, Truman Handy, 1864-1945
Image from Wikimedia Commons
Georg Friedrich Schlater - Public Domain
Keyserling, A. (Alexander), graf, 1815-1891
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Eichberg, Julius, 1824-1893
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Deane, Richard, 1610-1653
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Sydney International Exhibition (1879)
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Mynx, Tiffany 1971-....
Image from Wikimedia Commons
Jim.henderson - CC0 1.0
McEntegart, Bryan J., 1893-1968
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King, Bruce, 1924-2009
Image from Wikimedia Commons
Photo Pierson (Paris) - Public Domain
Le Flo, Adolphe, 1804-1887
Image from Wikimedia Commons
Haeseler - Public Domain
Churchill, Winston, 1871-1947
Image from Wikimedia Commons
Danford, Lorenzo, 1829-1899