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Middleman 77 - CC BY-SA 4.0
Anonymous -
unknown - Public Domain
Gaylemadeira - CC BY-SA 4.0
anonymous - Public Domain
Unattributed - Public Domain
ALESSANDROMARCOA - CC BY-SA 3.0
Public Domain
Misterlobat - Public Domain
Thesupermat - CC BY-SA 3.0
Gbonaju - CC BY-SA 3.0
Carlo Saraceni - Public Domain
Stanford Center for Internet & Society - CC BY 3.0
Hanahamplova - CC BY-SA 3.0
Higfr - CC BY-SA 4.0
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Middleman 77 - CC BY-SA 4.0
Spender, Humphrey
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Anonymous -
Roelofs, Helen Hooker O'Malley, 1905-1993
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Phillips, Michelle, 1944-....
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unknown - Public Domain
Lenček, Rado L. (Rado Ludovik), 1921-2005
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Gaylemadeira - CC BY-SA 4.0
Gibbons, William Conrad
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anonymous - Public Domain
Keith, B. F. (Benjamin Franklin), 1846-1914
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Hovey, C. M. (Charles Mason), 1810-1887
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Strauß, Franz Josef, 1915-1988
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Blake, Joaquín, 1759-1827
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Galton, Francis, 1822-1911
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Unattributed - Public Domain
Tinel, Edgar, 1854-1912
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Bathurst, Henry Bathurst, earl, 1714-1794
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Bachofen, Johann Jakob, 1815-1887
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ALESSANDROMARCOA - CC BY-SA 3.0
James, of Viterbo, Archbishop of Naples, approximately 1255-1307 or 1308
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Public Domain
Walsh, David I. (David Ignatius), 1872-1947
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unknown - Public Domain
Isla, José Francisco de, 1703-1781
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Misterlobat - Public Domain
Odjig, Daphne, 1919-....
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Thesupermat - CC BY-SA 3.0
Cabot, Meg
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unknown - Public Domain
Morgan, George Horace, 1855-1948
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Gbonaju - CC BY-SA 3.0
Cantelli, Guido
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Carlo Saraceni - Public Domain
Saraceni, Carlo, 1579-1620
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Wilkes, John, 1725-1797
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Stanford Center for Internet & Society - CC BY 3.0
McGinnis, John O., 1957-....
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Hanahamplova - CC BY-SA 3.0
Boštík, Václav, 1913-
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Dorsey, James Owen, 1848-1895
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Child, Josiah, Sir, 1630-1699
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Boyson, Rhodes
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Higfr - CC BY-SA 4.0
Greif, Michael
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Anatole, Madame 1793-18..
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Parker, Willard, 1800-1884