Morris Raphael Cohen
1935 · Fine
€35
George Boole
1882 · Fine
€65
René Descartes
1912 · Very good
€85
Vignola
1655 · Very good
€1,630
Yogananda Paramahansa
1931 · Fine
€125
Freda Dinn
1903 · Very good
€35
Simon Berington
1758 · Very good
€240
John Wesley
1796 · Very good
€575
Roger Eliot Fry
1931 · Very good
€30
August Johann Rösel von Rosenhof
1771 · Fine · NL
€300
A. S. Neill
1935 · Very good
€45
Percival Lowell, Pforzheimer Bruce Rogers Collection (Library of Congress)
1904 · Very good
€45
Sturm, Christoph Christian
1815 · Very good
€95
René Descartes
1655 · Fine
€1,820
Fernando de Rojas
1508 · Very good
€1,800
Herman Gorter
1935 · Very good · NL
€40
Augustus J. C. Hare, Julius Charles Hare
1838 · Very good
€155
Charles Hutton
1812 · Very good
€245
Josiah Royce
1903 · Very good
€65
George Santayana
1908 · Very good
€55
Carl Linnaeus
1784 · Very good
€405
Louis Couperus
1906 · Very good · NL
€50
Henri Anastase Viotta
1886 · Fine · NL
€65
Andreas Röschlaub
1809 · Fine · NL
€195
Plato
1846 · Very good
€285
Walsh, Michael
1808 · Very good
€180
William Wollaston, William Wollaston
1754 · Fine
€325
George Santayana
1935 · Very good
€75
Alfred Wegener
1906 · Very good
€55
Upton Sinclair
1927 · Very good
€75
Thomas Simpson
1751 · Very good
€660
Francis Fuller
1735 · Very good
€265
John Milton
1647 · Very good
€725
Leopold Auenbrugger, Forbes, John Sir
1764 · Very good
€295
Louis Couperus
1904 · Very good · NL
€25
Antonius Gerardus van Onsenoort
1832 · Very good · NL
€120
Erasmus Darwin
1808 · Fine
€280
William Youatt
1838 · Very good
€280
Silvanus Phillips Thompson
1935 · Very good
€35
James Orchard Halliwell-Phillipps
1873 · Very good
€90
Colin MacLaurin
1753 · Very good
€835
Carlton C. Curtis
1907 · Fine
€50
Samuel Rogers
1817 · Very good
€105
Joseph Le Conte
1928 · Very good
€30
Asa Gray
1889 · Very good
€115
Alexander Jamieson
1853 · Very good
€45
Longueville, Peter
1774 · Fine
€705
Kalm, Pehr, Adolph B. Benson
1765 · Fine
€515
Auguste Comte
1801 · Very good
€250
F. Pijper
1915 · Very good · NL
€40
Barbara Wreaks Hoole Hofland
1822 · Very good
€100
Sanborn Tenney
1886 · Very good
€125
Justus von Liebig
1842 · Very good
€135
Euripides
1820 · Very good
€320
Hegeler Institute
1924 · Fine
€100
Martin Luther
1532 · Very good
€710
Cornelis van den Enden
1833 · Very good · NL
€155
F. Pijper
1923 · Very good · NL
€75
John Joly
1932 · Very good
€75
Emanuel Swedenborg
1779 · Very good
€260