Eugène Pittard
1926 · Good
€20
Bertrand Russell
1916 · Fair
€45
Abraham Kuyper
1907 · Very good · NL
€30
Abraham Kuyper
1935 · Very good · NL
€50
Will Durant
1919 · Good
€50
Robert Tressell
1917 · Good
€30
Walter Crane
1911 · Very good · NL
€25
Walter Rauschenbusch
1929 · Very good
€35
Library of Congress. Classification Division.
1906 · Good
€20
Thorstein Veblen
1912 · Good
€40
Walter Rauschenbusch
1917 · Good
€30
Abraham Kuyper
1905 · Very good · NL
€50
John Dewey
1901 · Good
€45
Bertrand Russell
1935 · Fair
€30
William Morris
1917 · Fair
€20
Alphonso Wood
1877 · Good
€50
Gertrude Atherton
1929 · Good
€40
Klikspaan
1935 · Fair · NL
€35
Charles Kingsley
1856 · Good
€45
Genevieve Stebbins
1920 · Fair
€20
B. Bymholt
1896 · Good · NL
€45
Auguste Comte
1930 · Good
€30
Émile Durkheim, Steven Lukes
1896 · Very good
€50
Charles Colcock Jones
1892 · Very good
€50
Friedrich Engels
1907 · Good
€50
P. de Haan
1932 · Very good · NL
€50
George Bernard Shaw
1913 · Good
€50
Dudley Allen Sargent
1917 · Very good
€30
L. Th Mayer
1910 · Good · NL
€25
Eileen Edna Power
1933 · Good
€40
John Ruskin
1895 · Good
€35
Just Havelaar
1935 · Fair · NL
€30
F. J. C. Hearnshaw
1935 · Very good
€25
Ernst Cassirer, Claus Rosenkranz
1935 · Good
€25
Lascelles Abercrombie
1915 · Fair
€25
D. Embden
1902 · Very good · NL
€30
Peter Kropotkin
1903 · Fair
€15
Ron Larson
1906 · Good
€45
Edward Livingston Youmans
1896 · Good
€50
L. Bautain
1911 · Good
€45
George Bernard Shaw
1929 · Good
€50
Rabindranath Tagore
1917 · Very good
€35
George Bernard Shaw
1927 · Fine
€30
Iwan Bloch, Richard Deniston
1901 · Very good
€25
Ferdinand Domela Nieuwenhuis
1904 · Fair · NL
€45
Adolf Engler
1917 · Good
€25
Samuel Colman, Samuel Colman
1935 · Good
€30
Horace Kephart
1932 · Very good
€25
Manuel Antônio de Almeida
1935 · Good
€40
Arthur A. Noyes
1935 · Good
€20
Gilbert Keith Chesterton
1935 · Fair
€35
John Woolman
1863 · Fair
€50
J. A. Dubois
1902 · Very good
€25
Augustus Hopkins Strong
1926 · Good
€30
Jan Jacob Bruins
1935 · Very good · NL
€45
H. G. Wells
1929 · Very good
€25
Emily Post
1924 · Good
€30
Gilbert Keith Chesterton, CrossReach Publications
1918 · Good
€50
Frederick Orpen Bower, Sydney Howard Vines
1903 · Fair
€45
Friedrich Fröbel
1913 · Good
€20