Martin Buber
1922 · Good
€45
Albert Camus
1917 · Fine
€90
Gustave Flaubert
1921 · Good
€30
Henri Bergson, Nancy Margaret Paul
1902 · Good
€45
Adriaan Pit
1930 · Good · NL
€25
Paul Henri Thiry baron d'Holbach
1775 · Good
€365
Arthur Schopenhauer
1912 · Good
€30
Adam Ferguson
1774 · Fair
€325
Søren Kierkegaard
1803 · Very good
€275
Vladimir Il’ich Lenin, John Barber
1935 · Very good
€55
Giordano Bruno, L. Williams
1912 · Very good
€110
Uspenskiĭ Petr Demʹi͡anovich
1935 · Fine
€95
Willem Adriaan van Konijnenburg
1916 · Good · NL
€20
Friedrich Fröbel
1913 · Good
€20
Jean Anthelme Brillat-Savarin
1827 · Good
€145
Alfred North Whitehead
1931 · Fine
€60
Madhava, Archibald Edward Gough
1887 · Very good
€110
Ludwig Feuerbach
1893 · Good
€115
Francis Hutcheson, Wolfgang Leidhold
1725 · Good
€345
Rudolf Steiner
1932 · Fine
€40
Thomas Mann
1925 · Very good
€85
Nicolas Malebranche
1693 · Very good
€600
Søren Kierkegaard
1863 · Fair
€45
Søren Kierkegaard
1884 · Good
€50
Stefan Zweig
1935 · Good
€35
Arthur Schopenhauer
1868 · Good
€40
Ralph Waldo Emerson
1808 · Very good
€205
Wilhelm Worringer
1909 · Very good
€60
Johann Wolfgang von Goethe
1816 · Good
€100
Guimps, Roger de baron
1882 · Fine
€155
Adam Storey Farrar
1879 · Good
€45
Rudolf Steiner
1898 · Fair
€25
Johannes Hermanus Gunning
1876 · Very good · NL
€110
Maurice Joly, Veronica S. Jesus
1872 · Good
€65
Emmanuel Levinas
1935 · Good
€35
Herbert Edward Read
1657 · Good
€465
Rabindranath Tagore
1917 · Very good
€35
Abraham Tucker
1817 · Good
€135
Adam Smith, Andrew Skinner
1790 · Good
€310
Immanuel Kant
1812 · Good
€260
Berdoe, Edward
1903 · Very good
€30
Friedrich Engels
1905 · Fine
€80
Arthur, comte de Gobineau
1911 · Fair
€30
Friedrich Schleiermacher
1827 · Very good
€225
Samuel Smiles
1804 · Very good
€315
Peter Kropotkin
1903 · Fair
€15
Maurice Maeterlinck
1906 · Very good
€45
Margery Williams Bianco
1935 · Good
€20
Rabindranath Tagore
1935 · Good
€30
John Bartlett
1863 · Good
€55
Anthony Ashley Cooper Earl of Shaftesbury
1716 · Good
€415
Eduard Hanslick
1870 · Good
€60
Jean-Baptiste de Boyer marquis d'Argens
1740 · Good
€235
Claude Bernard
1870 · Very good
€130
John Abercrombie, Jacob Abbott
1832 · Fine
€180
Moses Maimonides
1519 · Good
€1,090
Francisco de Vitoria
1920 · Good
€20
Robert Flint
1932 · Very good
€40
Wilhelm Liebknecht, Ernest Untermann
1924 · Very good
€80
John Bagnell Bury
1925 · Good
€60