Morris Raphael Cohen
1935 · Fine
€35
George Boole
1882 · Fine
€65
René Descartes
1912 · Very good
€85
Aristotle
1579 · Fine
€1,405
Georg Wilhelm Friedrich Hegel
1813 · Very good
€110
Galileo Galilei
1664 · Very good
€2,345
Christian Wolff
1745 · Very good · NL
€300
Vignola
1655 · Very good
€1,630
Yogananda Paramahansa
1931 · Fine
€125
Euclid
1585 · Very good
€565
Lycophron
1560 · Very good
€1,690
Freda Dinn
1903 · Very good
€35
Simon Berington
1758 · Very good
€240
John Wesley
1796 · Very good
€575
Thomas Browne
1652 · Very good
€1,335
Pierio Valeriano, Valeriano Bolzani
1571 · Fine
€720
Giambattista Vico
1737 · Very good
€1,090
Plato
1562 · Fine
€1,785
Nicolas Malebranche
1693 · Very good
€600
Roger Eliot Fry
1931 · Very good
€30
Plato
1835 · Fine
€145
Richard Helsham
1743 · Very good
€365
Erasmus Darwin
1837 · Very good
€105
August Johann Rösel von Rosenhof
1771 · Fine · NL
€300
A. S. Neill
1935 · Very good
€45
Robert Hooke
1672 · Very good
€770
Percival Lowell, Pforzheimer Bruce Rogers Collection (Library of Congress)
1904 · Very good
€45
Lazzaro Spallanzani
1778 · Very good
€545
Sturm, Christoph Christian
1815 · Very good
€95
Torquato Tasso
1598 · Very good
€630
Carl Linnaeus
1783 · Very good
€655
René Descartes
1655 · Fine
€1,820
Pseudo-Macarius, Arthur James Mason
1563 · Very good
€685
John Henry Parker
1846 · Very good
€120
Fernando de Rojas
1508 · Very good
€1,800
Saint Ignatius of Loyola, Aloysio R.P Bellecio
1553 · Very good
€1,175
Augustine of Hippo
1533 · Very good
€1,935
John Locke
1693 · Very good
€1,405
Dugald Stewart
1815 · Very good
€95
Herman Gorter
1935 · Very good · NL
€40
Plato
1592 · Very good
€1,815
Augustus J. C. Hare, Julius Charles Hare
1838 · Very good
€155
Karl Ludwig Blume
1843 · Very good · NL
€165
Charles Hutton
1812 · Very good
€245
Aristotle
1561 · Very good
€915
Josiah Royce
1903 · Very good
€65
Lucius Apuleius, V. V. Bétolaud
1535 · Very good
€2,445
Walker, Robert
1779 · Very good
€360
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
Hugo Grotius
1637 · Very good
€2,000
Sir Isaac Newton
1727 · Very good
€475
John Locke, Helene Bouchilloux
1743 · Very good
€490
Nicholson, William
1818 · Very good
€185
Walsh, Michael
1808 · Very good
€180
Willem Goeree
1688 · Very good · NL
€1,760