Henry St. John Viscount Bolingbroke
1780 · Fine
€1,255
Hippocrates
1534 · Fair
€320
Johann Gottfried Herder
1801 · Good
€305
Thomas Stanley
1659 · Good
€830
Aristotle
1579 · Fine
€1,405
Johann Heinrich Pestalozzi
1833 · Good
€155
Harriet Martineau
1839 · Very good
€160
Søren Kierkegaard
1863 · Fair
€45
Johann Wolfgang von Goethe
1816 · Good
€100
Rudolf Steiner, Hard Head Publications
1896 · Very good
€95
Bādarāyaṇa.
1908 · Good
€70
Adam Smith
1798 · Very good
€500
Desiderius Erasmus, S. Dresden
1550 · Good
€985
William De Witt Hyde
1935 · Very good
€25
Socrates Scholasticus
1739 · Good
€815
Etienne Bonnot de Condillac, Etienne Bonnot De Condillac
1793 · Good
€765
Morris Raphael Cohen
1935 · Fine
€35
Rudolf Otto
1929 · Fine
€35
Thorstein Veblen, Teichgraeber, Richard F., III
1932 · Good
€20
Marquis de Sade, J. Ed. Sade
1801 · Very good
€390
Auguste Comte
1867 · Fair
€50
Plato
1835 · Fine
€145
Moses Maimonides
1524 · Fine
€1,725
Francis Bacon
1765 · Very good
€480
Weber, Alfred
1909 · Good
€60
John Locke
1759 · Fair
€130
Herbert Spencer
1867 · Good
€45
Stephan Körner
1799 · Very good
€280
George Santayana
1935 · Very good
€75
Ralph Waldo Emerson
1808 · Very good
€205
Guimps, Roger de baron
1882 · Fine
€155
Plato
1809 · Good
€205
Henri Bergson, Frank Lubecki Pogson
1896 · Good
€60
José Ortega y Gasset
1915 · Very good
€45
Judah ha-Levi, Ha-Levi Judah
1565 · Fair
€905
Jean Bodin
1597 · Good
€455
Thomas Cogswell Upham
1835 · Fair
€120
Jean-Baptiste de Boyer marquis d'Argens
1740 · Good
€235
Anthony Ashley Cooper Earl of Shaftesbury
1716 · Good
€415
Friedrich Nietzsche
1900 · Very good
€65
Pierre Bayle
1737 · Very good
€290
Epictetus
1800 · Very good
€180
John Locke
1738 · Good
€265
Xenophon
1554 · Good
€645
Madhava, Archibald Edward Gough
1887 · Very good
€110
P.-J. Proudhon
1842 · Good
€160
Inge, William Ralph
1926 · Fine
€50
Friedrich Hölderlin
1935 · Fair
€20
Augustus J. C. Hare, Julius Charles Hare
1838 · Very good
€155
Godefridus Udemans
1648 · Very good · NL
€1,820
Oscar Wilde
1893 · Very good
€145
Robert Flint
1932 · Very good
€40
Sigmund Freud
1906 · Good
€25
Josiah Royce
1903 · Very good
€65
Confucius
1751 · Very good
€605
Julien Offray de La Mettrie, Bernard A. Laska
1770 · Good
€370
George Henry Lewes
1883 · Very good
€65
Oliver Goldsmith
1794 · Good
€265
Georg Wilhelm Friedrich Hegel
1910 · Very good
€35
Lucian of Samosata
1553 · Fair
€380