Thomas Henry Huxley
1889 · Fair
€30
Friedrich Fröbel
1913 · Good
€20
Arnold Henry Guyot
1850 · Fair
€35
David Hume
1763 · Good
€395
George Arthur Piersol, Thomas Dwight
1915 · Good
€45
Werner Spalteholz
1926 · Good
€50
Jean-Antoine-Nicolas de Caritat marquis de Condorcet
1816 · Good
€270
Thomas Boston, Vasile Lazar
1745 · Good
€345
Ady, Julia Mary Cartwright
1801 · Fair
€190
Morris, Henry Sir
1926 · Good
€110
Plato
1889 · Good
€60
Edward Westermarck
1917 · Very good
€45
Pieter Lodewijk Muller
1917 · Fair · NL
€55
John Evans
1798 · Good
€470
Thomas Low Nichols
1854 · Very good
€140
A. S. Neill
1935 · Very good
€45
Eugène Pittard
1926 · Good
€20
Thomas Hughes
1819 · Good
€95
Conrad Busken Huet
1884 · Good · NL
€105
Conrad Busken Huet
1881 · Fair · NL
€25
Thomas Vicary
1605 · Good
€965
Zulfikar Ghose
1823 · Fair
€90
William Hazlitt
1822 · Fair
€225
Immanuel Kant, Alain Renaut
1807 · Very good
€330
Johannes Henricus van der Palm
1811 · Very good · NL
€255
Thomas Troward
1922 · Good
€30
Anthony Ashley Cooper Earl of Shaftesbury
1716 · Good
€415
John Wesley
1781 · Good
€360
Thomas Vicary
1934 · Good
€75
Samuel O. L. Potter
1910 · Good
€30
R. Krul
1935 · Very good · NL
€55
Henry Gray F.R.S., Henry Vandyke Carter
1868 · Very good
€140
J. H. Van Zanten
1928 · Good · NL
€35
Marcellus Emants
1897 · Very good · NL
€95
Hegeler Institute
1924 · Fine
€100
David Hume
1883 · Good
€55
Thomas Reid, Knud Haakonssen
1788 · Very good
€235
Max Scheler
1935 · Good
€20
James McNeill Whistler
1902 · Good
€75
Hill, Charles
1914 · Fair
€45
Thomas Henry Huxley
1836 · Very good
€135
Constantin-François Volney
1796 · Fine
€355
Henry T. Tuckerman
1875 · Good
€150
C. A. Johns
1867 · Good
€105
Robert Thomas
1819 · Very good
€180
Ernest Shurtleff Holmes
1935 · Fair
€15
J. A. Dubois
1902 · Very good
€25
John Wesley
1796 · Very good
€575
David Hume
1762 · Fine
€415
Miller, Samuel
1827 · Fine
€155
Maurice Henry Hewlett
1930 · Fair
€70
Francis Fuller
1735 · Very good
€265
John Moore
1812 · Fine
€330
Abraham Metz
1881 · Good
€110
Thomas Browne
1864 · Good
€40
Petrus Johannes Blok
1914 · Good · NL
€40
Erwin Rohde
1913 · Very good
€75
S. A. D. Tissot
1790 · Fair
€160
Hugh Blair
1796 · Very good
€300
Isaac Watts
1772 · Fair
€205