Maria Edgeworth
1804 · Good
€200
Patrick A. Finney
1935 · Very good
€60
Friedrich Fröbel
1913 · Good
€20
Christian Gotthilf Salzmann
1802 · Good
€95
George Moore
1809 · Fair
€105
Immanuel Kant
1802 · Fair
€55
George Moore
1929 · Very good
€35
John Moore
1812 · Fine
€330
Michiel Cornelis van Mourik Broekman
1925 · Very good · NL
€95
Heinrich Spoerl
1935 · Fair · NL
€25
James Lind
1786 · Good
€360
Enrico Agostino Morselli
1898 · Very good · NL
€50
A. S. Neill
1935 · Very good
€45
David Hume
1883 · Good
€55
Yogananda Paramahansa
1931 · Fine
€125
Max Scheler
1935 · Good
€20
Erwin Rohde
1913 · Very good
€75
Upton Sinclair
1927 · Very good
€75
Rudolf Otto
1929 · Fine
€35
John J. Moran
1886 · Very good
€210
Herman Gorter
1935 · Very good · NL
€40
Thomas Browne
1783 · Fine
€320
G. Wisse
1908 · Very good · NL
€30
Marcet Mrs
1828 · Good
€155
Immanuel Kant
1817 · Good
€80
F. Pijper
1915 · Very good · NL
€40
André Michaux
1811 · Fair
€140
Antonius Gerardus van Onsenoort
1832 · Very good · NL
€120
J. A. Dubois
1902 · Very good
€25
Jan Casper Schreuder
1930 · Good · NL
€45
David van Gesscher
1809 · Very good · NL
€100
Matthew Baillie
1812 · Good
€175
Carl Gobée
1861 · Very good · NL
€45
Thomas Reid, Knud Haakonssen
1788 · Very good
€235
Cornelis van den Enden
1833 · Very good · NL
€155
Herbert Spencer
1882 · Very good
€105
Morgan, John
1780 · Fair
€130
Iwan Bloch, Richard Deniston
1901 · Very good
€25
Rabindranath Tagore
1935 · Good
€30
Gerrit van de Linde
1909 · Fair · NL
€20
Jeanne Marie Bouvier de La Motte Guyon, James W. Metcalf
1786 · Good
€190
John Cowper Powys
1933 · Very good
€50
Hayley, William
1782 · Very good
€630
Jørgen Peter Müller
1902 · Fine
€155
Robert W. Service
1909 · Very good
€40
Jonathan Edwards
1772 · Good
€305
Morris Raphael Cohen
1935 · Fine
€35
Aristotle
1590 · Fine
€3,425
Peter Willem Hendrik Truyen
1901 · Fair · NL
€15
Friedrich Schiller
1935 · Fair
€20
Abraham Kuyper
1935 · Very good · NL
€50
Foeke Buitenrust Hettema
1914 · Very good · NL
€55
John Hamilton Moore
1799 · Fine
€740
Abraham Kuyper
1897 · Fair · NL
€30
E. V. Lucas
1924 · Good
€20
Adriaan Pit
1930 · Good · NL
€25
Roger Eliot Fry
1931 · Very good
€30
J. H. Van Zanten
1928 · Good · NL
€35
Robert Thomas
1819 · Very good
€180
Søren Kierkegaard
1863 · Fair
€45