Upton Sinclair
1927 · Very good
€75
Erasmus Darwin
1800 · Fair
€65
John Cowper Powys
1933 · Very good
€50
Johann Georg Zimmermann
1799 · Good
€560
Plato
1843 · Fair
€60
Aristotle
1603 · Fair
€435
Erasmus Darwin
1837 · Very good
€105
Rabindranath Tagore
1935 · Good
€30
Friedrich Schiller
1935 · Fair
€20
Auguste Comte
1867 · Fair
€50
Erasmus Darwin
1808 · Fine
€280
Caleb Bingham
1806 · Fine
€180
Clive Bell
1924 · Very good
€115
James Lind
1786 · Good
€360
Samuel Smiles
1804 · Very good
€315
Henri Bergson, Frank Lubecki Pogson
1896 · Good
€60
Three Initiates
1928 · Good
€20
Isaac Watts
1772 · Fair
€205
Garrett Putman Serviss
1935 · Good
€95
Ralph Waldo Emerson
1893 · Fair
€90
Felix O'Gallagher
1786 · Good
€265
Dugald Stewart
1815 · Very good
€95
Erwin Rohde
1913 · Very good
€75
Aristotle
1548 · Very good
€2,090
Sir Isaac Newton
1727 · Very good
€475
Ludvig Holberg
1776 · Good
€190
Etienne Bonnot de Condillac, Etienne Bonnot De Condillac
1793 · Good
€765
Richard Helsham
1743 · Very good
€365
Matthew Tindal
1750 · Very good
€255
Max Scheler
1935 · Good
€20
John Wesley
1796 · Very good
€575
Herbert Edward Read
1657 · Good
€465
Ralph Waldo Emerson
1851 · Very good
€130
Jonathan Edwards
1772 · Good
€305
Louis-Jean Lévesque de Pouilly
1785 · Good
€590
Thomas Boston, Vasile Lazar
1745 · Good
€345
David Attenborough
1711 · Very good
€245
George Santayana
1935 · Very good
€75
Bernard Le Bovier de Fontenelle
1722 · Good
€265
Henry Scougal
1679 · Good
€1,145
A. S. Neill
1935 · Very good
€45
Abraham Tucker
1817 · Good
€135
Aristotle
1561 · Very good
€915
William De Witt Hyde
1935 · Very good
€25
John Keill
1741 · Good
€415
Joseph Alleine
1730 · Fair
€150
James George Frazer
1935 · Fine
€140
Galileo Galilei
1664 · Very good
€2,345
Rudolf Steiner, Hard Head Publications
1896 · Very good
€95
Jacques-Bénigne Winslow
1774 · Very good
€425
René Descartes
1655 · Fine
€1,820
John Berridge
1778 · Good
€275
Jeremias Drexel
1684 · Very good
€1,420
Charles Fort
1933 · Fair
€35
John of the Cross
1914 · Fair
€20
Nicolas Malebranche
1693 · Very good
€600
Thomas Cogswell Upham
1835 · Fair
€120
Plato
1889 · Good
€60
Hegeler Institute
1924 · Fine
€100
William Hazlitt
1835 · Good
€75