Ernest Albee
1906 · Good
€20
John Stuart Mill
1882 · Fair
€40
Gilbert Keith Chesterton
1935 · Fair
€20
Theodore Parker
1884 · Good
€45
Friedrich Engels
1907 · Good
€50
Peter Kropotkin
1925 · Very good
€35
Three Initiates
1928 · Good
€20
Francis Bacon
1930 · Fair
€45
Paul Eltzbacher
1922 · Very good
€50
Benedictus de Spinoza, Wolfgang Bartuschat
1896 · Good
€40
James Martineau, James Martineau
1916 · Very good
€35
Ward, James
1902 · Good
€20
Samuel Colman, Samuel Colman
1935 · Good
€30
Richard H. Tawney
1935 · Good
€35
Thomas Henry Huxley, James Paradis
1935 · Very good
€25
Walter Crane
1911 · Very good · NL
€25
Auguste Comte
1867 · Fair
€50
Thorstein Veblen
1921 · Good
€40
Upton Sinclair
1916 · Very good
€25
Rudolf Steiner, Max Gysi
1910 · Very good
€25
Peter Kropotkin
1910 · Fine
€50
Epictetus
1920 · Good
€20
Evelyn Underhill
1901 · Good
€30
Elie Metchnikoff
1903 · Very good
€35
Augustin Privat-Deschanel
1903 · Very good
€40
Grant Allen
1910 · Good
€40
William Ellery Channing
1877 · Fair
€50
Rudolf Steiner, David W. Wood
1935 · Good
€20
H. Koffyberg
1924 · Fair · NL
€20
Emma Goldman
1919 · Fair
€35
Arthur Henderson Smith
1935 · Fair
€40
Mary Whiton Calkins
1910 · Very good
€35
John Fiske
1893 · Fair
€35
Bertrand Russell
1935 · Fair
€30
William Kingdon Clifford
1914 · Fair
€35
William Canniff
1934 · Very good
€35
Rabindranath Tagore
1917 · Very good
€35
Arthur Schopenhauer
1868 · Good
€40
Auguste Comte
1930 · Good
€30
Walter Kerr
1911 · Good
€20
Arthur Schopenhauer
1912 · Good
€30
Robert Flint
1932 · Very good
€40
Emmanuel Levinas
1935 · Good
€35
Max Scheler
1935 · Good
€20
Ernst Bloch
1920 · Very good
€30
University of Chicago. Press.
1913 · Good
€50
H. G. Wells
1929 · Very good
€25
Benedetto Croce
1912 · Very good
€25
Plato
1906 · Fair
€15
William Dwight Whitney
1898 · Fair
€35
Alfred Russel Wallace
1935 · Fine
€35
Peter Kropotkin
1903 · Fair
€15
L. Bautain
1911 · Good
€45
James Martineau
1923 · Fine
€40
Benedetto Croce
1915 · Good
€30
Parmenides.
1902 · Fair
€35
Sextus Empiricus.
1887 · Good
€40
Friedrich Nietzsche
1881 · Good
€45
Edwin Checkley
1890 · Good
€50
Friedrich Fröbel
1919 · Good
€20