Eugen Horn
1900 · Good · NL
€50
Johann Jakob Bachofen
1907 · Good
€55
Abraham Kuyper
1890 · Very good · NL
€45
Samuel Schoch
1935 · Very good · NL
€55
John Stuart Mill
1863 · Very good
€80
Johan Hendrik Gallée
1882 · Very good · NL
€110
Muir, Robert Sir, R MacSween
1935 · Very good
€80
A. S. Neill
1933 · Good
€90
Abraham Kuyper
1916 · Good · NL
€25
G. Charles Aalders
1923 · Good · NL
€75
George Adolphus Jacob
1908 · Very good
€35
Denis Diderot
1862 · Fine
€270
Ernest Albee
1906 · Good
€20
Heinrich Durège, George Egbert Fisher
1867 · Good
€60
Felix Timmermans
1935 · Very good · NL
€50
Hans Andersen, H. W. Dulcken
1911 · Fair
€40
Maurits Esser
1917 · Fair · NL
€15
Aron Salomon Coltof
1918 · Very good · NL
€55
M. Th Houtsma
1887 · Very good · NL
€90
José Ortega y Gasset
1931 · Very good
€60
Aulnis de Bourouill, Johan baron d'
1880 · Fair · NL
€35
Henri Poincaré, Nicolae Sfetcu
1919 · Very good
€100
Plato
1873 · Fair
€105
Jacobus Heinsius
1887 · Fine · NL
€80
Aristotle
1884 · Very good
€75
Gustave Flaubert
1921 · Good
€30
Julien Wolbers
1871 · Good · NL
€115
Jan Frederik Beerens
1910 · Fine · NL
€50
C. Poensen
1902 · Fair · NL
€75
Frits Lugt
1920 · Fair · NL
€20
Charles Riborg Mann
1916 · Very good
€35
Abraham Kuyper
1869 · Very good · NL
€165
Jan Arnold Bennet
1852 · Very good · NL
€225
Samuel Muller
1915 · Very good · NL
€80
John M. Robson
1891 · Very good
€100
Florian Cajori
1929 · Good
€65
Peter Kropotkin
1925 · Very good
€35
Annie Salomons
1923 · Very good · NL
€25
Erwin Rohde
1902 · Fair
€15
Hermann Weyl
1921 · Very good
€80
Alexander Ziegler
1874 · Very good · NL
€165
Tjeerd Oeds Hylkema
1935 · Very good · NL
€50
Arthur van Schendel
1909 · Fair · NL
€45
Engelbertus Eliza Willem Gerards Schröder
1917 · Very good · NL
€70
Henri Bergson, CHAILLAND
1907 · Good
€35
Eskelhoff Carsjen Gravemeijer
1902 · Good · NL
€30
Jonneke Bekkenkamp
1903 · Good · NL
€45
Seakle Greijdanus
1935 · Good · NL
€45
P. Wijdenes
1932 · Very good · NL
€60
Friedrich Anton Wilhelm Miquel
1869 · Good · NL
€95
Johan de Meester
1919 · Fair · NL
€35
Nikos Kazantzakis
1901 · Good
€25
Philip B. Hawk, Hawk, Philip Bovier
1920 · Very good
€40
Abraham Roger
1935 · Good · NL
€40
Sigmund Freud
1914 · Very good
€70
Jacob Sickenga
1895 · Fair · NL
€115
Лев Толстой
1908 · Very good
€50
Jacob Israël de Haan
1914 · Very good · NL
€75
Henri Poincaré
1906 · Very good
€45
Laurens Adriaanse
1911 · Good · NL
€25