Ludwig Wittgenstein, Isidoro Reguera Pérez
1935 · Good
€45
George Boole
1882 · Fine
€65
Morris Raphael Cohen
1935 · Fine
€35
Edward Sapir
1926 · Good
€40
Lewis Carroll
1914 · Very good
€25
Lewis Carroll
1886 · Fine
€250
George Boole
1856 · Good
€90
Georg Wilhelm Friedrich Hegel
1813 · Very good
€110
Lewis Carroll
1918 · Very good
€80
Louis Couturat
1935 · Good
€70
William Dwight Whitney
1898 · Fair
€35
R. Verdeyen
1931 · Good · NL
€20
Aristotle
1579 · Fine
€1,405
Sir William Hamilton, 9th Baronet
1859 · Good
€75
Aristotle
1578 · Good
€465
Elias Loomis
1874 · Very good
€50
René Descartes
1912 · Very good
€85
Plato
1883 · Fair
€85
Sextus Empiricus.
1887 · Good
€40
Andrew Lang
1928 · Very good
€80
C. Bruhns
1920 · Very good
€55
Edmund Husserl
1913 · Good
€45
Otto Jespersen, Otto Jespersen
1904 · Good
€95
Bhartr̥hari., Bhartr̥hari
1913 · Fair
€20
E. R. Hedrick
1920 · Very good
€60
F. Max Müller
1914 · Very good
€25
Aristotle
1901 · Good
€70
Ernst Cassirer
1930 · Good
€30
Desiderius Erasmus
1549 · Very good
€690
Lucian of Samosata
1553 · Fair
€380
McDougall, William
1917 · Fine
€100
William Kirk Hobart
1887 · Good
€125
Benedetto Croce
1912 · Very good
€25
W. L. van Helten
1900 · Very good · NL
€50
Andrew Lang
1895 · Fine
€120
S. Laing
1916 · Good
€50
Ernst Cassirer, Claus Rosenkranz
1935 · Good
€25
Aristotle
1882 · Good
€95
Francis Bacon
1930 · Fair
€45
Cust, Robert Needham, Robert Needham Cust
1822 · Good
€110
John Bunyan
1688 · Very good
€805
William Dwight Whitney
1918 · Very good
€25
Joseph Louis Lagrange, Thomas J. McCormack
1898 · Good
€40
Friedrich Christian Diez
1861 · Fair
€35
Marion Lowell
1897 · Good
€55
R. C. Boer
1926 · Very good · NL
€50
Koninklijk Instituut voor de Taal-, Land- en Volkenkunde van Nederlandsch-Indië.
1893 · Good · NL
€80
H. G. Wells
1911 · Very good
€40
Robert William Dale
1895 · Very good
€215
Rudolf Steiner, Robert A. McDermott
1933 · Very good
€85
Edmund Wingate
1652 · Fair
€355
Longinus
1613 · Good
€1,580
Plato
1843 · Fair
€60
Mary Greer Conklin
1923 · Fine
€40
Brooks Adams
1897 · Fine
€190
Jules Bernard Luys
1909 · Good
€25
Roger Ascham
1572 · Very good
€1,645
Karl Pearson
1924 · Very good
€75
Andrew Lang
1935 · Fine
€110
F. Max Müller
1884 · Good
€40