Plato
1916 · Good
€20
Holger Mosbech
1935 · Fair · NL
€20
Aulnis de Bourouill, Johan baron d'
1880 · Fair · NL
€35
Albert Einstein, G. B. Jeffery
1926 · Fair
€25
Abraham Kuyper
1892 · Very good · NL
€50
Clemens Brentano
1894 · Very good
€45
Willem Adriaan van Konijnenburg
1916 · Good · NL
€20
Klikspaan
1935 · Fair · NL
€35
R. J. W. Rudolph
1917 · Fair · NL
€25
Benedictus de Spinoza, Wolfgang Bartuschat
1896 · Good
€40
Mircea Eliade
1923 · Fair
€50
Eugen Horn
1900 · Good · NL
€50
Maximilien Marie
1925 · Fine
€35
Plato
1917 · Good
€30
Louis Couperus
1904 · Good · NL
€30
Benedictus de Spinoza
1909 · Good
€30
Marcellus Emants
1900 · Very good · NL
€25
Marcellus Emants
1904 · Good · NL
€20
Epictetus
1920 · Good
€20
Grant Allen
1910 · Good
€40
R. G. Collingwood
1865 · Good
€45
John Cowper Powys
1933 · Very good
€50
Benjamin Constant Martha
1869 · Good · NL
€40
Ferdinand Domela Nieuwenhuis
1904 · Fair · NL
€45
Nicolass Muller
1915 · Fine · NL
€35
John Caird
1884 · Fair
€25
John Caird
1905 · Very good
€30
D. Embden
1902 · Very good · NL
€30
Lucien Poincaré
1929 · Good
€25
Pieter Cornelis Boutens
1916 · Very good · NL
€35
Will Durant
1919 · Good
€50
Annie Salomons
1923 · Very good · NL
€25
Erwin Madelung
1935 · Fine
€40
Benedictus de Spinoza
1899 · Very good
€50
Ernst Bloch
1920 · Very good
€30
Sextus Empiricus.
1887 · Good
€40
Alfred Weber, Frank Thilly
1902 · Good
€20
George Edward Moore
1922 · Good
€50
Johan de Meester
1919 · Fair · NL
€35
José Ortega y Gasset
1915 · Very good
€45
Emanuel Hannak
1911 · Very good · NL
€25
Claude Phillips
1935 · Good
€30
Friedrich Nietzsche
1915 · Fair
€25
George Grote
1871 · Fair
€45
Salomon Reinach
1935 · Fair
€15
Rudolf Steiner
1898 · Fair
€25
Jan Frederik Beerens
1910 · Fine · NL
€50
H. Was
1898 · Very good · NL
€50
Friedrich Fröbel
1913 · Good
€20
Sir William Osler
1935 · Fair
€20
William Kingdon Clifford
1914 · Fair
€35
Елена Петровна Блаватская
1928 · Good
€40
Leo Polak
1930 · Very good · NL
€45
Henri Bergson
1919 · Very good
€35
Friedrich Fröbel
1919 · Good
€20
A. Th. L. A. Heyligers
1935 · Good · NL
€35
Maurits Esser
1917 · Fair · NL
€15
Auguste Comte
1867 · Fair
€50
Arthur Schopenhauer
1868 · Good
€40
Enrico Agostino Morselli
1898 · Very good · NL
€50