Peter Kropotkin
1910 · Fine
€50
Richard H. Tawney
1935 · Good
€35
James Bonar
1910 · Good
€65
R. J. W. Rudolph
1917 · Fair · NL
€25
Walter Crane
1911 · Very good · NL
€25
Brooks Adams
1897 · Fine
€190
Bertrand Russell
1916 · Fair
€45
Emma Goldman
1919 · Fair
€35
Grant Allen
1910 · Good
€40
Henry Adams
1926 · Good
€90
John Ruskin
1935 · Very good
€35
Abraham Kuyper
1911 · Fine · NL
€30
Edward Carpenter
1906 · Good
€25
Daniel Webster
1854 · Good
€150
Aulnis de Bourouill, Johan baron d'
1880 · Fair · NL
€35
James Martineau
1935 · Very good
€80
H. Koffyberg
1924 · Fair · NL
€20
Rudolf Steiner, Max Gysi
1910 · Very good
€25
B. Bymholt
1896 · Good · NL
€45
George MacDonald
1894 · Fair
€85
Cassius Jackson Keyser
1935 · Good
€50
Sextus Empiricus.
1887 · Good
€40
Upton Sinclair
1916 · Very good
€25
Vincent L. Milner
1867 · Fair
€30
Multatuli
1881 · Fair
€40
George Santayana
1918 · Very good
€70
Henry Sidgwick
1893 · Good
€95
I. A. Kapandji
1919 · Very good
€85
Patrick Geddes
1903 · Good
€70
Arthur A. Noyes
1935 · Good
€20
José Ortega y Gasset
1931 · Very good
€60
H. G. Wells
1911 · Very good
€40
Walter Rauschenbusch
1929 · Very good
€35
Stefan Zweig
1935 · Good
€35
Peter Kropotkin
1925 · Very good
€35
Frédéric Bastiat
1873 · Fair
€30
Ernest Albee
1906 · Good
€20
Carl Adolf Elias
1893 · Good · NL
€170
Abraham Kuyper
1892 · Very good · NL
€50
John Ruskin
1888 · Fair
€30
James Jackson Jarves
1879 · Fine
€210
Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
Muir, Robert Sir, R MacSween
1935 · Very good
€80
J. H. Dünner
1930 · Very good · NL
€50
E. W. de Rooij
1856 · Very good · NL
€50
Willem Jan Maria Westerwoudt
1915 · Fine · NL
€40
Parmenides.
1902 · Fair
€35
Samuel Pierpont Langley
1889 · Good
€45
Arthur Wesley Dow
1935 · Good
€25
James McNeill Whistler
1895 · Good
€120
Walter Pater, Ernst Bendz
1873 · Fair
€40
Leander Sylvester Keyser
1907 · Fine
€70
Jacob Abbott
1864 · Fair
€40
Augustin Privat-Deschanel
1903 · Very good
€40
Mary Whiton Calkins
1910 · Very good
€35
P. de Haan
1932 · Very good · NL
€50
Uspenskiĭ Petr Demʹi͡anovich
1935 · Fine
€95
George Adolphus Jacob
1908 · Very good
€35
Sir John Lubbock
1893 · Good
€100
Andrew Lang
1935 · Fine
€110