Plato
1864 · Good
€100
Plato
1843 · Fair
€60
Albert Einstein, G. B. Jeffery
1926 · Fair
€25
René Descartes
1655 · Fine
€1,820
Plato
1917 · Good
€30
Hegeler Institute
1924 · Fine
€100
Yogananda Paramahansa
1931 · Fine
€125
John Cowper Powys
1933 · Very good
€50
Auguste Comte
1801 · Very good
€250
Guimps, Roger de baron
1882 · Fine
€155
Marcet Mrs
1828 · Good
€155
Immanuel Kant, Alain Renaut
1807 · Very good
€330
José Ortega y Gasset
1915 · Very good
€45
Weber, Alfred
1909 · Good
€60
Sophocles
1830 · Good
€115
Friedrich Fröbel
1913 · Good
€20
Plato
1846 · Very good
€285
Iamblichus, L. Deubner
1746 · Good
€250
William Kingdon Clifford
1914 · Fair
€35
Clive Bell
1924 · Very good
€115
Auguste Comte
1867 · Fair
€50
Constantin-François Volney
1796 · Fine
€355
George Santayana
1935 · Very good
€75
Three Initiates
1928 · Good
€20
Alexandre Dumas
1889 · Fine
€80
Plato
1889 · Good
€60
René Descartes
1912 · Very good
€85
Aristotle
1811 · Good
€125
Plato
1681 · Good
€770
Bādarāyaṇa.
1908 · Good
€70
Madhava
1890 · Good
€110
Seneca the Younger
1531 · Fair
€1,440
Swieten, Gerard Freiherr van
1744 · Good
€230
Friedrich Schiller
1935 · Fair
€20
Jean-Antoine-Nicolas de Caritat marquis de Condorcet
1816 · Good
€270
Rudolf Otto
1929 · Fine
€35
Morris Raphael Cohen
1935 · Fine
€35
Adam Smith
1798 · Very good
€500
Max Scheler
1935 · Good
€20
Upton Sinclair
1927 · Very good
€75
Socrates Scholasticus
1739 · Good
€815
William Thomson Kelvin, Peter Guthrie Tait
1868 · Good
€65
Johann Wolfgang von Goethe
1816 · Good
€100
William Cowper
1816 · Good
€125
Ralph Waldo Emerson
1893 · Fair
€90
Leonhard Euler
1805 · Fair
€60
Hippocrates
1534 · Fair
€320
André Michaux
1811 · Fair
€140
Rabindranath Tagore
1935 · Good
€30
Ludvig Holberg
1776 · Good
€190
Adolf Engler
1917 · Good
€25
Josiah Royce
1903 · Very good
€65
Robert Flint
1932 · Very good
€40
James Orchard Halliwell-Phillipps, William Bourne
1839 · Good
€95
Alexander Campbell Fraser
1901 · Good
€75
Herbert Spencer
1867 · Good
€45
Maria Montessori
1931 · Good
€110
Schwegler, Albert
1864 · Fine
€120
Søren Kierkegaard
1863 · Fair
€45
William De Witt Hyde
1935 · Very good
€25