Image from Wikimedia Commons
Janandd - CC BY-SA 2.5
Daniel Huntington - Public Domain
Greg Spiers - CC BY-SA 3.0
Virgil1966 - CC BY-SA 4.0
E. Harrison - Public Domain
unknown - Public Domain
Unknown. No photo credit provided at time of publication in 1918. -
Rechteerklärung des Bildautors wurde am 8.9.2016 als pdf an Wikipedia gemailt. - CC BY-SA 4.0
Guywets - CC BY-SA 3.0
original uploader - Public Domain
A. H. Ritchie - Public Domain
Allan Sachs - CC BY-SA 4.0
International Socialist Review. Modifications by Carrite - Public Domain
Rblumel - CC BY-SA 4.0
Teddyyy - CC BY-SA 3.0
David Shankbone - CC BY-SA 3.0
Teinesavaii - CC BY-SA 3.0
Beyond My Ken -
Image from Wikimedia Commons
Janandd - CC BY-SA 2.5
Parker, E.N. (Eugene Newman), 1927-
Image from Wikimedia Commons
Møller, Katti Anker, 1868-1945
Image from Wikimedia Commons
Daniel Huntington - Public Domain
Huntington, Benjamin, 1736-1800
Image from Wikimedia Commons
Greg Spiers - CC BY-SA 3.0
Ruttman, Larry
Image from Wikimedia Commons
Virgil1966 - CC BY-SA 4.0
Mills, Hayley
Image from Wikimedia Commons
E. Harrison - Public Domain
Claughton, Thomas Legh, 1808-1892
Image from Wikimedia Commons
unknown - Public Domain
Pareto, Vilfredo, 1848-1923
Image from Wikimedia Commons
Unknown. No photo credit provided at time of publication in 1918. -
Sorley, Charles Hamilton, 1895-1915
Image from Wikimedia Commons
Rechteerklärung des Bildautors wurde am 8.9.2016 als pdf an Wikipedia gemailt. - CC BY-SA 4.0
Marriner, Neville
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Warner, Jack L., 1892-1978
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unknown - Public Domain
Makovskiĭ, Sergeĭ Konstantinovich, 1877-1962
Image from Wikimedia Commons
unknown - Public Domain
Rockwell, Cleveland, 1837-1907
Image from Wikimedia Commons
Guywets - CC BY-SA 3.0
Dam, José van
Image from Wikimedia Commons
original uploader - Public Domain
Furneaux, Tobias, 1735-1781
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Lowry, Robert, 1919-1994
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Slaughter, Gabriel, 1767-1830
Image from Wikimedia Commons
Howard, Greg, 1964-
Image from Wikimedia Commons
Wade, David, 1911-1990
Image from Wikimedia Commons
A. H. Ritchie - Public Domain
Helper, Hinton Rowan, 1829-1909
Image from Wikimedia Commons
unknown - Public Domain
Willet, Andrew, 1562-1621
Image from Wikimedia Commons
Thibaut, Jean-Claude
Image from Wikimedia Commons
unknown - Public Domain
Tschiffely, A.F. (Aimé Felix), 1895-1954
Image from Wikimedia Commons
Allan Sachs - CC BY-SA 4.0
Sachs, Aaron
Image from Wikimedia Commons
International Socialist Review. Modifications by Carrite - Public Domain
Hayes, Max S., 1866-1945
Image from Wikimedia Commons
Rblumel - CC BY-SA 4.0
Chang, Wah
Image from Wikimedia Commons
Teddyyy - CC BY-SA 3.0
Fuller, Samuel, 1912-1997
Image from Wikimedia Commons
David Shankbone - CC BY-SA 3.0
Musto, Michael, 1955-
Image from Wikimedia Commons
Teinesavaii - CC BY-SA 3.0
Henry, Albert, Sir, 1907-
Image from Wikimedia Commons
unknown - Public Domain
Wyatt, Benjamin Dean, 1775-1855
Image from Wikimedia Commons
Beyond My Ken -
Corbin, Margaret Cochran, 1751-approximately 1800