Søren Kierkegaard
1863 · Fair
€45
René Descartes
1655 · Fine
€1,820
Stephan Körner
1799 · Very good
€280
Friedrich Fröbel
1913 · Good
€20
Max Scheler
1935 · Good
€20
Josiah Royce
1903 · Very good
€65
Immanuel Kant
1802 · Fair
€55
Alexander Campbell Fraser
1901 · Good
€75
Immanuel Kant, Alain Renaut
1807 · Very good
€330
Adriaan Pit
1930 · Good · NL
€25
Georg Wilhelm Friedrich Hegel
1910 · Very good
€35
Rudolf Otto
1929 · Fine
€35
Søren Kierkegaard
1846 · Very good
€340
Georg Simmel
1902 · Very good
€40
Immanuel Kant
1817 · Good
€80
Colin MacLaurin
1753 · Very good
€835
Inge, William Ralph
1926 · Fine
€50
Adam Smith
1798 · Very good
€500
John Cowper Powys
1933 · Very good
€50
Weber, Alfred
1909 · Good
€60
Georg Wilhelm Friedrich Hegel
1935 · Good
€100
Rabindranath Tagore
1935 · Good
€30
Søren Kierkegaard
1803 · Very good
€275
William De Witt Hyde
1935 · Very good
€25
Rudolf Steiner, Hard Head Publications
1896 · Very good
€95
Schwegler, Albert
1864 · Fine
€120
William Thomson Kelvin, Peter Guthrie Tait
1868 · Good
€65
Otto Frederik Müller
1781 · Good · NL
€375
Herbert Spencer
1882 · Very good
€105
Plato
1917 · Good
€30
René Descartes
1912 · Very good
€85
Immanuel Kant, Kant
1816 · Very good
€155
Plato
1864 · Good
€100
Marcet Mrs
1828 · Good
€155
A. S. Neill
1935 · Very good
€45
Auguste Comte
1867 · Fair
€50
Denison Olmsted
1868 · Good
€60
Muhammad ibn Abd al-Malik Ibn Tufayl
1751 · Very good
€315
Francis Bacon
1765 · Very good
€480
Immanuel Kant
1805 · Very good
€100
Herbert Spencer
1867 · Good
€45
Constantin-François Volney
1796 · Fine
€355
Seneca the Younger
1531 · Fair
€1,440
William Kingdon Clifford
1914 · Fair
€35
Willem Bilderdijk
1865 · Good · NL
€125
Henri Bergson, Frank Lubecki Pogson
1896 · Good
€60
Three Initiates
1928 · Good
€20
Carl Gustav Jung
1915 · Very good
€25
Clive Bell
1924 · Very good
€115
Friedrich Nietzsche
1900 · Very good
€65
George Henry Lewes
1883 · Very good
€65
Thomas Troward
1922 · Good
€30
Ludvig Holberg
1776 · Good
€190
Friedrich Schleiermacher
1827 · Very good
€225
Leonhard Euler
1805 · Fair
€60
Carl Gustav Jung
1925 · Very good
€30
Jean-Jacques Rousseau
1807 · Good
€155
Georg Wilhelm Friedrich Hegel
1847 · Good
€205
Hegeler Institute
1924 · Fine
€100
R. Krul
1935 · Very good · NL
€55