Peter Kropotkin
1925 · Very good
€35
Benedictus de Spinoza, Wolfgang Bartuschat
1896 · Good
€40
Niccolò Machiavelli
1908 · Good
€30
Emily Post
1924 · Good
€30
Bertrand Russell
1935 · Fair
€30
John Fiske
1893 · Fair
€35
Thomas Henry Huxley, James Paradis
1935 · Very good
€25
D. W. Cathell
1906 · Good
€20
Peter Kropotkin
1910 · Fine
€50
F. H. Bradley
1891 · Fair
€30
Rabindranath Tagore
1917 · Very good
€35
James Hastings
1923 · Good
€20
Elie Metchnikoff
1903 · Very good
€35
Emmanuel Levinas
1935 · Good
€35
Abraham Kuyper
1911 · Fine · NL
€30
Auguste Comte
1930 · Good
€30
Dante Alighieri
1930 · Fair
€15
Søren Kierkegaard
1884 · Good
€50
John Ruskin
1935 · Very good
€35
Étienne Gilson
1935 · Good
€20
F. J. C. Hearnshaw
1935 · Very good
€25
Arthur M. Schlesinger
1924 · Very good
€45
Epictetus
1920 · Good
€20
Walter Rauschenbusch
1917 · Good
€30
Richard H. Tawney
1935 · Good
€35
Elisha Mulford
1890 · Good
€50
John Oakesmith
1910 · Very good
€50
Paul Eltzbacher
1922 · Very good
€50
F. W. van Wijk
1935 · Good · NL
€30
Robert Flint
1932 · Very good
€40
Alfred Swaine Taylor
1858 · Very good
€45
H. G. Wells
1911 · Very good
€40
Friedrich Nietzsche
1915 · Fair
€25
Benjamin Constant Martha
1869 · Good · NL
€40
James Martineau
1923 · Fine
€40
Three Initiates
1928 · Good
€20
A. Lawrence Lowell
1901 · Fair
€20
Charles Elam
1869 · Good
€40
Nicolass Muller
1915 · Fine · NL
€35
A. S. Neill
1935 · Very good
€45
Theodore Parker
1884 · Good
€45
Thomas Browne
1864 · Good
€40
Grant Allen
1910 · Good
€40
Bertrand Russell
1916 · Fair
€45
Houston Stewart Chamberlain
1902 · Good
€45
Roscoe Pound
1935 · Fair
€45
Adam Storey Farrar
1879 · Good
€45
Langdon-Brown, Walter Sir
1909 · Good
€40
Arthur Schopenhauer
1868 · Good
€40
Maurice Maeterlinck
1935 · Good
€40
Oswald Spengler, Charles Francis Atkinson
1918 · Good
€45
John Stuart Mill
1882 · Fair
€40
Rudolf Otto
1929 · Fine
€35
John Torrey Morse
1915 · Very good
€40
Arthur, comte de Gobineau
1911 · Fair
€30
Lydia Maria Child
1872 · Fair
€25
Mikhail Aleksandrovich Bakunin
1892 · Good
€35
Emanuel Hannak
1911 · Very good · NL
€25
Charles William Eliot, Πλάτων
1911 · Good
€20
Peter Kropotkin
1903 · Fair
€15