René Descartes
1655 · Fine
€1,820
Josiah Royce
1903 · Very good
€65
Adriaan Pit
1930 · Good · NL
€25
Christian Wolff
1745 · Very good · NL
€300
Richard Helsham
1743 · Very good
€365
Rudolf Otto
1929 · Fine
€35
Friedrich Fröbel
1913 · Good
€20
Johann Gottfried Herder
1801 · Good
€305
Weber, Alfred
1909 · Good
€60
Immanuel Kant
1823 · Fair
€55
John Dalton
1838 · Good
€85
Immanuel Kant
1802 · Fair
€55
Max Scheler
1935 · Good
€20
Johann Georg Zimmermann
1799 · Good
€560
Alexander Campbell Fraser
1901 · Good
€75
Schwegler, Albert
1864 · Fine
€120
Πλάτων
1848 · Good
€75
Rabindranath Tagore
1935 · Good
€30
William Whewell
1848 · Fine
€145
Immanuel Kant, Alain Renaut
1807 · Very good
€330
Dugald Stewart
1815 · Very good
€95
William De Witt Hyde
1935 · Very good
€25
Thomas Stanley
1659 · Good
€830
René Descartes
1912 · Very good
€85
John Cowper Powys
1933 · Very good
€50
Herbert Edward Read
1657 · Good
€465
Auguste Comte
1867 · Fair
€50
Marcet Mrs
1828 · Good
€155
A. S. Neill
1935 · Very good
€45
Wang, Chong
1812 · Good
€95
Herbert Spencer
1882 · Very good
€105
Jacob Geel
1843 · Fair · NL
€70
Friedrich Schiller
1935 · Fair
€20
Georg Wilhelm Friedrich Hegel
1843 · Good
€150
Marquis de Sade, J. Ed. Sade
1801 · Very good
€390
Constantin-François Volney
1796 · Fine
€355
Immanuel Kant
1801 · Good
€95
Stephan Körner
1799 · Very good
€280
Carl Linnaeus
1783 · Very good
€655
Three Initiates
1928 · Good
€20
Immanuel Kant
1817 · Good
€80
Nicholson, William
1818 · Very good
€185
Georg Wilhelm Friedrich Hegel
1935 · Good
€100
Yogananda Paramahansa
1931 · Fine
€125
Plato
1835 · Fine
€145
Herbert Spencer
1867 · Good
€45
Colin MacLaurin
1753 · Very good
€835
Jesuits.
1606 · Fair
€315
Sir Isaac Newton
1727 · Very good
€475
Aristotle
1603 · Fair
€435
Giambattista Vico
1737 · Very good
€1,090
Upton Sinclair
1927 · Very good
€75
Auguste Comte
1801 · Very good
€250
Nicolas Malebranche
1693 · Very good
€600
Friedrich Nietzsche
1900 · Very good
€65
Smellie, William
1793 · Fair
€360
Cicero
1728 · Good
€180
William Kingdon Clifford
1914 · Fair
€35
Immanuel Kant, Kant
1816 · Very good
€155
Francis Bacon
1765 · Very good
€480