Image from Wikimedia Commons
McClees & Beck publishers. Julian Vannerson, photographer. - Public Domain
unknown - Public Domain
unknown -
US Government Printing Office - Public Domain
Photographer not named. - Public Domain
Lewis Clinton Strang - Public Domain
Bain - Public Domain
da - Public Domain
Public Domain
Sergejpinka - Public Domain
Smithsonian Institution -
Mssemantics - CC BY 4.0
Jburlinson - CC BY-SA 3.0
Slowking4 - CC BY-SA 2.0
Image from Wikimedia Commons
McClees & Beck publishers. Julian Vannerson, photographer. - Public Domain
Morgan, Edwin Barber, 1806-1881
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unknown - Public Domain
Senesh, Hannah, 1921-1944
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unknown -
Benrubi, I. (Isaak), 1876-1943
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Birch-Pfeiffer, Charlotte, 1800-1868
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Cannon, James Patrick, 1890-1974.
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Pilsbry, Henry Augustus, 1862-
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US Government Printing Office - Public Domain
Farnsley, Charles P. (Charles Rowland Peaslee), 1907-1990
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Abbott, Joseph Palmer, 1891-1965
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Alt, Rudolf von 1812-1905
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Photographer not named. - Public Domain
Vigeland, Gustav, 1869-1943
Image from Wikimedia Commons
Lewis Clinton Strang - Public Domain
McDonald, Christie, 1875-1962
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Bain - Public Domain
Lovett, R. S. (Robert Scott), 1860-1932
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unknown - Public Domain
Yerkes, Robert Mearns, 1876-1956
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unknown - Public Domain
Vásquez, Horacio, 1860-1936
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da - Public Domain
Langgaard, Rued, 1893-1952
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Gitlin, Michael, 1943-....
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Le Monnier, M. (Pierre-Charles), 1715-1799
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Public Domain
Blow, Henry T. (Henry Taylor), 1817-1875
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Deering, Olive, 1918-1986
Image from Wikimedia Commons
Sergejpinka - Public Domain
Glass, Gene V., 1940-....
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Smithsonian Institution -
Brodkorb, Pierce, 1908-1992
Image from Wikimedia Commons
Mssemantics - CC BY 4.0
Hochschild, Arlie Russell, 1940-....
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Eddy, Norman, 1810-1872
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Harvey, Gabriel, 1550?-1631
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Rodney, Red
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Jburlinson - CC BY-SA 3.0
Wurdemann, Audrey, 1911-1960
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Helmont, Jean Baptiste van, 1577-1644
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Slowking4 - CC BY-SA 2.0
Park, Linda Sue, 1960-
Image from Wikimedia Commons
Chamberlain, Basil Hall, 1850-1935
Image from Wikimedia Commons
unknown - Public Domain
Cooper, Henry E. (Henry Ernest), 1857-1929