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Official photographer to the Danish Court Johannes Jaeger - Public Domain
Internet Archive Book Images -
Geoffrey - Public Domain
unknown - Public Domain
IA - CC BY-SA 4.0
Baldwinsville (N.Y.) Gazette - Public Domain
Johndesmarteau - CC BY-SA 4.0
scannage personnel - Public Domain
Anonyme, XIIème siècle - Public Domain
Towpilot - CC BY-SA 3.0
Jahresbericht der Deutschen Mathematiker-Vereinigung 1915 - Public Domain
Office of Senator Richard Lugar - Public Domain
Georges Biard - CC BY-SA 3.0
Breitkopf, London - Public Domain
Christopher Peterson - CC BY 2.0
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Official photographer to the Danish Court Johannes Jaeger - Public Domain
Frederick IX, King of Denmark, 1899-1972
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Varga, Tibor, 1921-2003
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Internet Archive Book Images -
Klauber, Laurence Monroe, 1883-1968
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Ball, Robert S. (Robert Stawell), 1840-1913
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Geoffrey - Public Domain
Pliny, the Elder
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unknown - Public Domain
Gossett, Elizabeth Hughes, 1907-1981
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Bagri︠a︡na, Elisaveta, 1893-1991
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Feldberg, W. S.
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IA - CC BY-SA 4.0
Hynninen, Jorma, 1941-
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Greene, Frank L. (Frank Lester), 1870-1930
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Le Marchant, John Gaspard, 1766-1812
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Schröder, Friedrich Ludwig, 1744-1816
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Shandruk, Pavlo, 1889-1979
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Gómez Morín, Manuel, 1897-1972
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Miotte, Jean, 1926-....
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Ewell, Barney, 1918-1996
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Baldwinsville (N.Y.) Gazette - Public Domain
Jones, D. T. (Daniel Terryll), 1800-1861
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Browning, Barbara, 1961-
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Johndesmarteau - CC BY-SA 4.0
Hautzig, Walter
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scannage personnel - Public Domain
Poelaert, Joseph, 1817-1879
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Millikan, Robert Andrews, 1868-1953
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Anonyme, XIIème siècle - Public Domain
Gilbert, de La Porrée, Bishop, approximately 1075-1154
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Towpilot - CC BY-SA 3.0
Capshaw, Kate
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Jahresbericht der Deutschen Mathematiker-Vereinigung 1915 - Public Domain
Burkhardt, Heinrich, 1861-1914
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Baker, Harold, 1914-1966
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Diziani, Gaspare, 1689-1767
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Office of Senator Richard Lugar - Public Domain
Lugar, Richard
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Georges Biard - CC BY-SA 3.0
Holgado, Ticky
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Breitkopf, London - Public Domain
Nachèz, Tivadar, 1859-1930
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Christopher Peterson - CC BY 2.0
Menkes, Suzy.