René Descartes
1655 · Fine
€1,820
Herbert Spencer
1882 · Very good
€105
Max Scheler
1935 · Good
€20
Immanuel Kant, Alain Renaut
1807 · Very good
€330
Josiah Royce
1903 · Very good
€65
Alexander Campbell Fraser
1901 · Good
€75
Schwegler, Albert
1864 · Fine
€120
John Cowper Powys
1933 · Very good
€50
Immanuel Kant
1802 · Fair
€55
Rabindranath Tagore
1935 · Good
€30
Weber, Alfred
1909 · Good
€60
William De Witt Hyde
1935 · Very good
€25
Constantin-François Volney
1796 · Fine
€355
Stephan Körner
1799 · Very good
€280
William James
1931 · Good
€40
Rudolf Otto
1929 · Fine
€35
Adam Smith
1798 · Very good
€500
Friedrich Fröbel
1913 · Good
€20
Upton Sinclair
1927 · Very good
€75
Friedrich Schiller
1935 · Fair
€20
Colin MacLaurin
1753 · Very good
€835
Francis Bacon
1765 · Very good
€480
A. S. Neill
1935 · Very good
€45
Herbert Spencer
1867 · Good
€45
Plato
1864 · Good
€100
William Kingdon Clifford
1914 · Fair
€35
Yogananda Paramahansa
1931 · Fine
€125
Morris Raphael Cohen
1935 · Fine
€35
Plato
1889 · Good
€60
Aristotle
1811 · Good
€125
Immanuel Kant, Kant
1816 · Very good
€155
Marcet Mrs
1828 · Good
€155
Felix O'Gallagher
1786 · Good
€265
Clive Bell
1924 · Very good
€115
Three Initiates
1928 · Good
€20
Rudolf Steiner, Hard Head Publications
1896 · Very good
€95
John Dewey
1901 · Good
€45
Smellie, William
1791 · Good
€265
Plato
1843 · Fair
€60
Thorstein Veblen, Teichgraeber, Richard F., III
1932 · Good
€20
Bādarāyaṇa.
1908 · Good
€70
Auguste Comte
1867 · Fair
€50
Edmund Law
1746 · Very good
€565
Friedrich Nietzsche
1900 · Very good
€65
George Santayana
1935 · Very good
€75
Denison Olmsted
1868 · Good
€60
Patañjali.
1893 · Good
€55
Adriaan Pit
1930 · Good · NL
€25
Alfred Daniell
1888 · Good
€70
Iamblichus, L. Deubner
1746 · Good
€250
René Descartes
1912 · Very good
€85
George Henry Lewes
1883 · Very good
€65
Ralph Waldo Emerson
1851 · Very good
€130
David Hume
1762 · Fine
€415
Hegeler Institute
1924 · Fine
€100
James Finley Weir Johnston
1855 · Very good
€225
George Fownes
1848 · Very good
€200
Maria Montessori
1931 · Good
€110
Auguste Comte
1930 · Good
€30
Ralph Waldo Emerson
1893 · Fair
€90