C. Bruhns
1920 · Very good
€55
Elias Loomis
1874 · Very good
€50
Vega, Georg Freiherr von
1803 · Good
€190
E. R. Hedrick
1920 · Very good
€60
John Ward (of Chester)
1708 · Good
€305
George Boole
1882 · Fine
€65
Joseph Louis Lagrange, Thomas J. McCormack
1898 · Good
€40
Lewis Carroll
1914 · Very good
€25
Lewis Carroll
1918 · Very good
€80
Lewis Carroll
1886 · Fine
€250
Louis Couturat
1935 · Good
€70
James Pryde
1897 · Good
€35
Sextus Empiricus.
1887 · Good
€40
George Boole
1856 · Good
€90
René Descartes
1912 · Very good
€85
Ferdinand Wolff
1859 · Good · NL
€40
Globe Fearon
1821 · Very good
€250
Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
Georg Wilhelm Friedrich Hegel
1813 · Very good
€110
William Leybourn, Richard Sault
1696 · Good
€1,050
Petty, William Sir
1721 · Good
€420
Aristotle
1901 · Good
€70
Peter Barlow
1872 · Good
€45
Walsh, Michael
1808 · Very good
€180
Sir William Hamilton, 9th Baronet
1859 · Good
€75
Morris Raphael Cohen
1935 · Fine
€35
Thomas Simpson
1751 · Very good
€660
James Orchard Halliwell-Phillipps, William Bourne
1839 · Good
€95
John Ayres
1696 · Very good
€1,970
Harold Hilton
1914 · Good
€65
Henry B. Maglathlin
1869 · Very good
€50
Ludwig Wittgenstein, Isidoro Reguera Pérez
1935 · Good
€45
Euclid
1585 · Very good
€565
Florian Cajori
1907 · Very good
€45
Felix O'Gallagher
1786 · Good
€265
Aristotle
1578 · Good
€465
G. N. Watson
1935 · Good
€20
Abraham de Moivre
1734 · Good
€750
Hermann Cäsar Hannibal Schubert
1927 · Good
€65
A. S. Neill
1933 · Good
€90
Edmund Husserl
1913 · Good
€45
Aristotle
1579 · Fine
€1,405
P. Wijdenes
1932 · Very good · NL
€60
Brahmagupta, Henry Thomas Colebrooke
1835 · Good
€135
Joseph Louis Lagrange, A. Boissonnade
1793 · Very good
€505
Plato
1864 · Good
€100
F. H. Loring
1923 · Very good
€120
Edouard Goursat
1933 · Very good
€30
Carl David Tolmé Runge
1916 · Fine
€50
G. H. Hardy, T. W. Körner
1935 · Very good
€25
Ron Larson
1906 · Good
€45
David Eugene Smith
1917 · Very good
€70
Michael Faraday
1874 · Fine
€65
F. S. Macaulay
1922 · Fine
€135
Leonard E. Dickson
1930 · Very good
€45
J. Hamblin Smith, Thomas Kirkland
1881 · Good
€70
Cassius Jackson Keyser
1935 · Good
€50
R. C. Boer
1926 · Very good · NL
€50
Gerrard Hickson
1922 · Very good
€35
Ernst Cassirer
1930 · Good
€30