René Descartes
1655 · Fine
€1,820
Herbert Spencer
1867 · Good
€45
Plato
1864 · Good
€100
Immanuel Kant, Kant
1816 · Very good
€155
Felix O'Gallagher
1786 · Good
€265
Immanuel Kant, Alain Renaut
1807 · Very good
€330
Plato
1843 · Fair
€60
Constantin-François Volney
1796 · Fine
€355
Aristotle
1811 · Good
€125
Colin MacLaurin
1753 · Very good
€835
George Berkeley
1812 · Fair
€185
Schwegler, Albert
1864 · Fine
€120
Bādarāyaṇa.
1908 · Good
€70
William De Witt Hyde
1935 · Very good
€25
Three Initiates
1928 · Good
€20
Patañjali.
1893 · Good
€55
Herbert Spencer
1882 · Very good
€105
Weber, Alfred
1909 · Good
€60
Alexander Campbell Fraser
1901 · Good
€75
Madhava
1890 · Good
€110
Josiah Royce
1903 · Very good
€65
Upton Sinclair
1927 · Very good
€75
Aristotle
1590 · Fine
€3,425
Georg Wilhelm Friedrich Hegel
1847 · Good
€205
Iamblichus, L. Deubner
1746 · Good
€250
Seneca the Younger
1531 · Fair
€1,440
Rabindranath Tagore
1935 · Good
€30
Inge, William Ralph
1926 · Fine
€50
Gottfried Wilhelm Leibniz
1721 · Good
€460
Robert Flint
1932 · Very good
€40
Morris Raphael Cohen
1935 · Fine
€35
John Cowper Powys
1933 · Very good
€50
Friedrich Fröbel
1913 · Good
€20
David Hume
1763 · Good
€395
Immanuel Kant
1802 · Fair
€55
Max Scheler
1935 · Good
€20
David Hume
1883 · Good
€55
William James
1931 · Good
€40
Socrates Scholasticus
1739 · Good
€815
Rudolf Steiner, Hard Head Publications
1896 · Very good
€95
Madhava, Archibald Edward Gough
1887 · Very good
€110
Clive Bell
1924 · Very good
€115
Stephan Körner
1799 · Very good
€280
Plato
1889 · Good
€60
Friedrich Nietzsche
1900 · Very good
€65
Francis Bacon
1765 · Very good
€480
Smellie, William
1791 · Good
€265
William Thomson Kelvin, Peter Guthrie Tait
1868 · Good
€65
Epictetus
1800 · Very good
€180
Adam Smith
1798 · Very good
€500
Rudolf Otto
1929 · Fine
€35
J. F. Martinet
1796 · Very good
€750
George Henry Lewes
1883 · Very good
€65
William Kingdon Clifford
1914 · Fair
€35
Georg Wilhelm Friedrich Hegel
1910 · Very good
€35
Adriaan Pit
1930 · Good · NL
€25
Georg Wilhelm Friedrich Hegel
1935 · Good
€100
Anselm of Canterbury, Anselm
1928 · Fair
€35
A. S. Neill
1935 · Very good
€45
Friedrich Schiller
1935 · Fair
€20