René Descartes
1912 · Very good
€85
George Boole
1882 · Fine
€65
Morris Raphael Cohen
1935 · Fine
€35
Auguste Comte
1867 · Fair
€50
George Santayana
1908 · Very good
€55
Colin MacLaurin
1753 · Very good
€835
A. S. Neill
1935 · Very good
€45
Mark Twain
1874 · Good
€50
Mark Twain
1903 · Very good
€30
Immanuel Kant
1817 · Good
€80
Yogananda Paramahansa
1931 · Fine
€125
William Ellis
1808 · Good
€105
Aristotle
1901 · Good
€70
Thomas Roderick Fraser, Andrew Dewar
1881 · Fair
€95
Adriaan Pit
1930 · Good · NL
€25
Michael Faraday
1842 · Fair
€60
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
Alfred Swaine Taylor
1869 · Good
€40
Immanuel Kant, Alain Renaut
1807 · Very good
€330
Longinus
1613 · Good
€1,580
Marcet Mrs
1828 · Good
€155
Alfred Daniell
1888 · Good
€70
Max Scheler
1935 · Good
€20
Andreas Röschlaub
1809 · Fine · NL
€195
Immanuel Kant
1805 · Very good
€100
Charles Darwin
1909 · Fine
€90
Andrew Lang
1904 · Very good
€80
William Kingdon Clifford
1914 · Fair
€35
Jeanne Marie Bouvier de La Motte Guyon, James W. Metcalf
1786 · Good
€190
Friedrich Christian Accum
1816 · Good
€110
Erasmus Darwin
1808 · Fine
€280
Leopold Auenbrugger, Forbes, John Sir
1764 · Very good
€295
Garrett Putman Serviss
1935 · Good
€95
Ralph Waldo Emerson
1893 · Fair
€90
Jonathan Edwards
1772 · Good
€305
Charles Buck
1831 · Good
€90
Herbert Spencer
1867 · Good
€45
Eugène Pittard
1926 · Good
€20
John Eberle
1840 · Good
€100
Nathaniel Southgate Shaler
1915 · Fair
€30
Auguste Comte
1930 · Good
€30
Roger Eliot Fry
1931 · Very good
€30
Herbert French
1914 · Good
€20
George MacDonald
1893 · Good
€60
Thomas Simpson
1751 · Very good
€660
Alonzo Gray
1846 · Good
€135
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
Theodric Romeyn Beck
1829 · Good
€85
William Thomson Kelvin, Peter Guthrie Tait
1868 · Good
€65
Marcet Mrs
1815 · Good
€235
Charles Lanman
1862 · Fine
€110
John Evans
1798 · Good
€470