George Berkeley
1739 · Good
€345
Samuel Smiles
1804 · Very good
€315
Schwegler, Albert
1864 · Fine
€120
Muhammad ibn Abd al-Malik Ibn Tufayl
1751 · Very good
€315
Herbert Edward Read
1657 · Good
€465
Albert Camus
1917 · Fine
€90
Robert Flint
1932 · Very good
€40
George Berkeley
1812 · Fair
€185
Johann Heinrich Pestalozzi
1833 · Good
€155
Adriaan Pit
1930 · Good · NL
€25
Augustus J. C. Hare, Julius Charles Hare
1838 · Very good
€155
Francis Hutcheson, Aaron Garrett
1745 · Good
€515
Weber, Alfred
1909 · Good
€60
Abraham Tucker
1817 · Good
€135
Immanuel Kant, Alain Renaut
1807 · Very good
€330
Seneca the Younger
1531 · Fair
€1,440
Upton Sinclair
1927 · Very good
€75
Judah ha-Levi, Ha-Levi Judah
1565 · Fair
€905
Ralph Waldo Emerson
1893 · Fair
€90
Nicolas Malebranche
1693 · Very good
€600
Adam Ferguson
1774 · Fair
€325
Clive Bell
1924 · Very good
€115
Stephan Körner
1799 · Very good
€280
Anthony Ashley Cooper Earl of Shaftesbury
1716 · Good
€415
Florence Nightingale
1890 · Good
€35
Jonathan Edwards
1772 · Good
€305
Thomas Reid, Knud Haakonssen
1788 · Very good
€235
George Santayana
1935 · Very good
€75
Rudolf Steiner, Hard Head Publications
1896 · Very good
€95
Immanuel Kant
1801 · Good
€95
Adam Smith
1798 · Very good
€500
Thomas Cogswell Upham
1835 · Fair
€120
Sigmund Freud
1906 · Good
€25
Jean Anthelme Brillat-Savarin
1827 · Good
€145
Constantin-François Volney
1796 · Fine
€355
Aristotle
1603 · Fair
€435
Friedrich Schleiermacher
1827 · Very good
€225
Jean-Antoine-Nicolas de Caritat marquis de Condorcet
1816 · Good
€270
A. S. Neill
1935 · Very good
€45
Julien Offray de La Mettrie, Bernard A. Laska
1770 · Good
€370
Oliver Goldsmith
1794 · Good
€265
Moses Maimonides
1519 · Good
€1,090
George Henry Lewes
1883 · Very good
€65
Jesuits.
1606 · Fair
€315
Thomas Troward
1922 · Good
€30
Georg Wilhelm Friedrich Hegel
1935 · Good
€100
Etienne Bonnot de Condillac, Etienne Bonnot De Condillac
1793 · Good
€765
John Cowper Powys
1933 · Very good
€50
Friedrich Hölderlin
1935 · Fair
€20
Jean-Baptiste de Boyer marquis d'Argens
1740 · Good
€235
Henri Bergson, Frank Lubecki Pogson
1896 · Good
€60
Madhava, Archibald Edward Gough
1887 · Very good
€110
Immanuel Kant
1802 · Fair
€55
Johann Georg Zimmermann
1799 · Good
€560
Immanuel Kant
1823 · Fair
€55
Herbert Spencer
1867 · Good
€45
Margery Williams Bianco
1935 · Good
€20
Thorstein Veblen, Teichgraeber, Richard F., III
1932 · Good
€20
David Hume
1775 · Good
€180
Cicero
1728 · Good
€180