René Descartes
1912 · Very good
€85
George Boole
1882 · Fine
€65
Morris Raphael Cohen
1935 · Fine
€35
George Santayana
1908 · Very good
€55
Colin MacLaurin
1753 · Very good
€835
Christian Wolff
1745 · Very good · NL
€300
A. S. Neill
1935 · Very good
€45
Mark Twain
1903 · Very good
€30
John Locke, Helene Bouchilloux
1743 · Very good
€490
Yogananda Paramahansa
1931 · Fine
€125
Galileo Galilei
1664 · Very good
€2,345
Erasmus Darwin
1837 · Very good
€105
Charles Hutton
1812 · Very good
€245
Carl Gustav Jung
1915 · Very good
€25
Edmund Law
1746 · Very good
€565
Constantin-François Volney
1796 · Fine
€355
John Cowper Powys
1933 · Very good
€50
John Wesley
1796 · Very good
€575
Cornelius Belkmeer
1753 · Very good · NL
€935
Immanuel Kant, Alain Renaut
1807 · Very good
€330
Fisher, Edward
1649 · Very good
€965
Andreas Röschlaub
1809 · Fine · NL
€195
Nicolas Malebranche
1693 · Very good
€600
Immanuel Kant
1805 · Very good
€100
Sir Isaac Newton
1727 · Very good
€475
Charles Darwin
1909 · Fine
€90
Georg Wilhelm Friedrich Hegel
1813 · Very good
€110
Andrew Lang
1904 · Very good
€80
Joseph Butler, B. F. Tefft
1789 · Very good
€630
Erasmus Darwin
1808 · Fine
€280
Leopold Auenbrugger, Forbes, John Sir
1764 · Very good
€295
Solomon Stoddard
1723 · Very good
€290
Thomson, Thomas
1802 · Very good
€160
John Ray
1709 · Very good
€280
Alfred Swaine Taylor
1845 · Very good
€250
Roger Eliot Fry
1931 · Very good
€30
Thomas Middleton
1580 · Fine
€1,055
Thomas Simpson
1751 · Very good
€660
George Santayana
1935 · Very good
€75
Jacob Haafner
1851 · Very good · NL
€85
Henry Fielding
1744 · Fine
€1,240
Elias Loomis
1883 · Very good
€120
Charles Lanman
1862 · Fine
€110
George Campbell
1823 · Very good
€150
John Harvey Kellogg
1914 · Very good
€140
Sturm, Christoph Christian
1815 · Very good
€95
Harriet Martineau
1839 · Very good
€160
Thomas Browne
1652 · Very good
€1,335
Schwegler, Albert
1864 · Fine
€120
Augustus J. C. Hare, Julius Charles Hare
1838 · Very good
€155
John Joly
1932 · Very good
€75
Matthew Tindal
1750 · Very good
€255
Longueville, Peter
1774 · Fine
€705
Ira Warren
1874 · Fine
€140
Andrew Lang
1898 · Very good
€210
George Fownes
1848 · Very good
€200
Nicholson, William
1818 · Very good
€185
Richard Helsham
1743 · Very good
€365
Carl Linnaeus
1783 · Very good
€655
Lewis Foreman Day
1920 · Fine
€70