Morris Raphael Cohen
1935 · Fine
€35
Louis Couturat
1935 · Good
€70
Lewis Carroll
1918 · Very good
€80
George Boole
1882 · Fine
€65
Lewis Carroll
1886 · Fine
€250
Lewis Carroll
1914 · Very good
€25
Ludwig Wittgenstein, Isidoro Reguera Pérez
1935 · Good
€45
René Descartes
1912 · Very good
€85
Georg Wilhelm Friedrich Hegel
1813 · Very good
€110
George Boole
1856 · Good
€90
Edmund Husserl
1913 · Good
€45
Sextus Empiricus.
1887 · Good
€40
Adriaan Pit
1930 · Good · NL
€25
Aristotle
1578 · Good
€465
Aristotle
1579 · Fine
€1,405
Aristotle
1901 · Good
€70
Sir William Hamilton, 9th Baronet
1859 · Good
€75
C. Bruhns
1920 · Very good
€55
Lucian of Samosata
1553 · Fair
€380
A. S. Neill
1933 · Good
€90
Christian Wolff
1745 · Very good · NL
€300
Henry Longueville Mansel
1873 · Good
€60
Ernst Cassirer
1930 · Good
€30
Christian von Wolff
1773 · Good · NL
€215
Nicolas Malebranche
1693 · Very good
€600
Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
Plato
1843 · Fair
€60
Lydia Maria Child
1872 · Fair
€25
Galileo Galilei
1664 · Very good
€2,345
Cassius Jackson Keyser
1935 · Good
€50
Elias Loomis
1874 · Very good
€50
H. G. Wells
1911 · Very good
€40
Josiah Royce
1914 · Fair
€25
A. S. Neill
1935 · Very good
€45
Josiah Royce
1935 · Very good
€30
Auguste Comte
1867 · Fair
€50
Josiah Royce
1898 · Very good
€75
Ferdinand Wolff
1859 · Good · NL
€40
Multatuli
1878 · Good · NL
€115
Henri Poincaré, Nicolae Sfetcu
1919 · Very good
€100
Galileo Galilei
1644 · Very good
€2,340
Immanuel Kant
1885 · Good
€190
Aristotle
1882 · Good
€95
Jacques Rohault
1674 · Fair
€520
Jan Luiken
1724 · Good · NL
€410
L. E. J. Brouwer
1909 · Good · NL
€60
Pierre Louÿs
1917 · Fair
€20
Abraham Kuyper
1914 · Fine · NL
€140
Abraham de Moivre
1734 · Good
€750
Seneca the Younger
1634 · Very good
€1,210
Edmund Wingate
1652 · Fair
€355
Rudolf Otto
1929 · Fine
€35
Joseph Louis Lagrange, Thomas J. McCormack
1898 · Good
€40
Abraham Tucker
1817 · Good
€135
Marion Lowell
1897 · Good
€55
Lodewijk van Deyssel
1907 · Good · NL
€20
Lodewijk van Deyssel
1923 · Very good · NL
€85
Josiah Royce
1903 · Very good
€65
Annie Salomons
1916 · Good · NL
€30
Voltaire
1765 · Fine
€645