Stefan Zweig
1935 · Good
€35
Clemens Brentano
1894 · Very good
€45
Thomas Whittaker
1907 · Good
€95
Elizabeth Sanderson Haldane
1930 · Good
€95
George Grote
1871 · Fair
€45
John Edwin Sandys, Sir
1932 · Very good
€25
Ernst Cassirer
1930 · Good
€30
Henry Sidgwick
1893 · Good
€95
Bavinck, Herman
1925 · Very good · NL
€25
Walter Crane
1911 · Very good · NL
€25
Mary Whiton Calkins
1910 · Very good
€35
James Bonar
1910 · Good
€65
Edwin A. Burtt
1926 · Very good
€25
Henri Bergson
1919 · Very good
€35
George Santayana
1918 · Very good
€70
Jacob Abbott
1864 · Fair
€40
Alfred North Whitehead
1931 · Fine
€60
Edmund Husserl
1913 · Good
€45
Augustin Privat-Deschanel
1903 · Very good
€40
Eduard Hanslick
1870 · Good
€60
Thomas Henry Huxley
1905 · Good
€70
Agnes Repplier
1894 · Very good
€45
Marcellus Emants
1900 · Very good · NL
€25
Abraham Kuyper
1892 · Very good · NL
€50
Rudolf Steiner, Max Gysi
1910 · Very good
€25
F. Max Müller
1910 · Very good
€35
Grant Allen
1910 · Good
€40
Peter Kropotkin
1910 · Fine
€50
Adam Storey Farrar
1879 · Good
€45
Mark Twain
1917 · Fine
€100
Sextus Empiricus.
1887 · Good
€40
Henry Adams
1926 · Good
€90
Friedrich Nietzsche, Marie-Luise Haase
1897 · Good
€75
Sir William Hamilton, 9th Baronet
1859 · Good
€75
Plato
1916 · Good
€20
René Descartes
1860 · Fair
€55
Abraham Kuyper
1910 · Good · NL
€40
Guillaume Groen van Prinsterer
1868 · Very good · NL
€70
John Dewey
1920 · Very good
€40
Gilles Deleuze, Gilles Deleuze
1906 · Very good
€25
Arthur Schopenhauer
1912 · Good
€30
John Dewey
1935 · Good
€30
Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
Houston Stewart Chamberlain
1902 · Good
€45
James Martineau
1935 · Very good
€80
Emmanuel Levinas
1935 · Good
€35
Brooks Adams
1897 · Fine
€190
Abraham Kuyper
1911 · Fine · NL
€30
Theo van Doesburg
1922 · Fair · NL
€25
Claude Bernard
1870 · Very good
€130
H. G. Wells
1911 · Very good
€40
Adolf von Harnack
1889 · Fair
€40
Jens Peter Jacobsen
1892 · Good
€45
Jacob van Lennep
1890 · Fair · NL
€35
George Santayana
1920 · Very good
€40
Thomas Aquinas Sister, originally Agnes O'Neil
1934 · Good
€75
Willem Bilderdijk
1864 · Good · NL
€85
Jones, Henry Sir
1906 · Very good
€110
Carl Adolf Elias
1893 · Good · NL
€170
John Fiske
1893 · Fair
€35