Thomas Henry Huxley, James Paradis
1935 · Very good
€25
Herbert Spencer
1894 · Very good
€185
Peter Kropotkin
1925 · Very good
€35
Joseph Le Conte
1928 · Very good
€30
Elie Metchnikoff
1903 · Very good
€35
Ralph Cudworth
1703 · Very good
€540
Charles Hamilton Smith
1850 · Very good
€60
Emile Ferrière
1909 · Fine · NL
€115
Immanuel Kant, Alain Renaut
1807 · Very good
€330
Charles Darwin
1909 · Fine
€90
John Crombie Brown
1893 · Very good
€165
Epictetus
1657 · Fine
€2,875
Patrick A. Finney
1935 · Very good
€60
Seneca the Younger
1634 · Very good
€1,210
Epictetus
1600 · Fine
€1,555
Aristotle
1590 · Fine
€3,425
Erasmus Darwin
1808 · Fine
€280
Giordano Bruno, L. Williams
1912 · Very good
€110
Constantin-François Volney
1796 · Fine
€355
Maria Edgeworth
1839 · Fine
€205
Alpheus S. Packard
1906 · Fine
€100
William Wollaston, William Wollaston
1754 · Fine
€325
D. Embden
1902 · Very good · NL
€30
Thomas Henry Huxley
1897 · Fine
€135
Charles Darwin
1884 · Very good
€100
John Oakesmith
1910 · Very good
€50
Samuel Taylor Coleridge
1804 · Very good
€100
Josiah Royce
1902 · Very good
€30
Nicolass Muller
1915 · Fine · NL
€35
Larry L. Mai
1925 · Very good
€65
Seneca the Younger
1909 · Very good
€60
Herbert Spencer
1882 · Very good
€105
Thomas Low Nichols
1854 · Very good
€140
John Ray
1709 · Very good
€280
John George Wood
1896 · Very good
€200
Friedrich Nietzsche
1898 · Fine
€90
Thomas Browne
1642 · Fine
€2,755
Plutarch
1573 · Very good
€1,800
Bartholomeus Johannes Westerbeek van Eerten
1923 · Fine · NL
€100
Erasmus Darwin
1837 · Very good
€105
Alfred Russel Wallace
1935 · Fine
€35
David Attenborough
1711 · Very good
€245
John Wolley, John Wooley
1899 · Very good
€190
William Whewell
1848 · Fine
€145
Fisher, Edward
1649 · Very good
€965
Harriet Martineau
1839 · Very good
€160
Jones, Thomas Rymer
1879 · Very good
€95
Sanborn Tenney
1881 · Very good
€70
Augustin Privat-Deschanel
1903 · Very good
€40
Jean Baptiste Pierre Antoine de Monet de Lamarck
1811 · Very good
€100
Frederick Temple
1894 · Very good
€75
A. Privat-Deschanel
1875 · Very good
€80
Rabindranath Tagore
1917 · Very good
€35
Karl Pearson
1924 · Very good
€75
Edwin A. Burtt
1926 · Very good
€25
George Santayana
1935 · Very good
€75
Marston Bates
1628 · Very good
€645
Nicolas Malebranche
1693 · Very good
€600
Lankester, E. Ray Sir
1925 · Very good
€60
Peter Kropotkin
1886 · Very good
€60