C. Claus, Carl Friedrich Wilhelm Claus
1883 · Good
€40
Asa Gray
1891 · Good
€80
Moritz Schlick
1928 · Good
€55
Carolus Tuinman
1727 · Good · NL
€290
Emanuel Hannak
1911 · Very good · NL
€25
John Ruskin
1808 · Fair
€145
Frederik van Eeden
1935 · Good · NL
€35
Garrett Putman Serviss
1935 · Good
€95
Baron Georges Cuvier, Edward Griffith
1841 · Fair
€110
J. Haak
1928 · Very good · NL
€30
Eduard Strasburger
1935 · Fine
€45
Matthew Tindal
1750 · Very good
€255
Thomas Henry Huxley
1904 · Good
€35
Rudolf Steiner
1898 · Fair
€25
Clive Bell
1935 · Very good
€120
George Campbell
1823 · Very good
€150
Eduard Strasburger
1924 · Fine
€40
Sir Francis Galton
1923 · Good
€20
S. Laing
1916 · Good
€50
Jacob Bigelow
1841 · Very good
€275
Alfred A. Robb
1935 · Very good
€55
Oliver Davie
1904 · Good
€35
François A. de Garsault
1770 · Good
€510
Samuel Colman, Samuel Colman
1935 · Good
€30
Marcellus Emants
1900 · Very good · NL
€25
Marcellus Emants
1904 · Good · NL
€20
John Ray, John Ray
1717 · Very good
€815
Heindel, Max, Max Heindel
1918 · Very good
€30
Ralph Cudworth
1703 · Very good
€540
Sir John Lubbock
1893 · Good
€100
Carolyn Wells, Oliver Herford
1909 · Very good
€85
Thomas Simpson
1751 · Very good
€660
Garrett Putman Serviss
1913 · Good
€35
René Vallery-Radot
1903 · Very good
€35
Margaret Bryan
1800 · Good
€210
Emma Phipson
1887 · Very good
€100
John Evans
1798 · Good
€470
Søren Kierkegaard
1884 · Good
€50
Immanuel Kant, Alain Renaut
1807 · Very good
€330
Jean-Jacques Rousseau
1927 · Fine
€30
E. T. Whittaker
1920 · Good
€25
Alphonso Wood
1848 · Very good
€200
William Edward Hartpole Lecky
1871 · Fair
€35
Joseph Dalton Hooker
1859 · Fine
€65
Sir William Edward Parry
1828 · Very good
€260
David Eugene Smith
1917 · Very good
€70
Herbert E. Cobb
1935 · Very good
€30
William Withering
1849 · Fine
€435
Abraham Kuyper
1869 · Very good · NL
€165
William Thomson Kelvin
1889 · Very good
€165
Thomas Browne
1651 · Good
€520
Asa Gray
1871 · Very good
€120
Priscilla Wakefield
1825 · Good
€140
Multatuli
1878 · Good · NL
€115
Charles Waterton
1863 · Good
€40
H. Milne-Edwards
1866 · Fine · NL
€65
H. G. Wells
1935 · Very good
€40
Friedrich Engels
1907 · Good
€50
Dionysius Lardner
1875 · Very good
€50
Edward Carpenter
1898 · Good
€45