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Creator - Public Domain
Public Domain
Tysto - Public Domain
unknown - Public Domain
Israeli GPO photographer - Public Domain
Perry, William Stevens - Public Domain
Rudolph Ackermann - Public Domain
Carl Christiaan Fuchs (1792-1855) after Wessel Lubbers (1755-1834) -
Greg Hernandez - CC BY 2.0
scienceinmelbourne2007 - CC BY 2.0
Adolf Dauthage Foto: :de:Peter Geymayer - Public Domain
aroid - CC BY 2.0
From a crayon drawing by Samuel W. Rowse - Public Domain
Zimin.V.G. - CC BY-SA 3.0
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Creator - Public Domain
De Cleyre, Voltairine, 1866-1912
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Sehrig-Vehling, Else 1897-
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Public Domain
Zantedeschi, Francesco, 1797-1873
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Coburn, John, 1825-1908
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Sánchez, Francisco, approximately 1550-approximately 1623
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Campbell, Ben Nighthorse, 1933-
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Whiston, William, 1667-1752
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Tysto - Public Domain
Bowen, Otis R.
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unknown - Public Domain
Hotung, Robert
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Ziporyn, Evan
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Israeli GPO photographer - Public Domain
Harkabi, Yehoshafat, 1921-1994
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Perry, William Stevens - Public Domain
Rutledge, Francis Huger, 1799?-1866
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Rudolph Ackermann - Public Domain
Chichele, Henry, 1362?-1443
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Carl Christiaan Fuchs (1792-1855) after Wessel Lubbers (1755-1834) -
Camper, Adrian Gilles, 1759-1820
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Greg Hernandez - CC BY 2.0
Polo, Teri, 1969-
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scienceinmelbourne2007 - CC BY 2.0
Nossal, G. J. V. (Gustav Joseph Victor), 1931-
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Drigo, Riccardo, 1846-1930
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Rivett, David, Sir, 1885-1961
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Parkman, Francis, 1823-1893
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Adolf Dauthage Foto: :de:Peter Geymayer - Public Domain
Redtenbacher, Joseph, 1810-1870
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Metcalf, Theron, 1784-1875
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unknown - Public Domain
Endell, August, 1872-1925
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aroid - CC BY 2.0
Burle-Marx, Roberto, 1909-1994
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From a crayon drawing by Samuel W. Rowse - Public Domain
Bushnell, Horace, 1802-1876
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Dickens, Charles, 1812-1870
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O'Connor, John J. (John Joseph), 1920-2000
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Southwell, Robert, Saint, 1561?-1595
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Zimin.V.G. - CC BY-SA 3.0
Breuer, Lee
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Ebsworth, Joseph Woodfall, 1824-1908
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McEnroe, Patrick.