Paul Eltzbacher
1922 · Very good
€50
Ernst Toller
1935 · Good
€35
Friedrich Engels
1907 · Good
€50
Paul Goodman
1920 · Good
€20
Abraham Kuyper
1893 · Fair · NL
€45
Emma Goldman
1919 · Fair
€35
Augustus Hopkins Strong
1926 · Good
€30
Émile Durkheim, Steven Lukes
1896 · Very good
€50
Bertrand Russell
1916 · Fair
€45
Bertrand Russell
1923 · Good
€20
Abraham Kuyper
1911 · Fine · NL
€30
George Sydenham Clarke
1910 · Fine
€30
Snyder, Harry
1925 · Good
€20
D. Embden
1902 · Very good · NL
€30
Frederik August Stoett
1908 · Very good · NL
€30
Alfred Percy Sinnett
1897 · Fair
€30
May Sinclair
1935 · Fine
€30
Walter Rauschenbusch
1917 · Good
€30
Abraham Kuyper
1905 · Very good · NL
€50
Walter Crane
1911 · Very good · NL
€25
Bertrand Russell
1935 · Fair
€30
Henryk Sienkiewicz
1894 · Good
€40
Gerardus Marinus Franciscus Snijders
1905 · Very good · NL
€35
J. H. Dünner
1930 · Very good · NL
€50
Thorstein Veblen
1921 · Good
€40
Benedetto Croce
1915 · Good
€30
Peter Kropotkin
1903 · Fair
€15
Upton Sinclair
1916 · Very good
€25
Peter Kropotkin
1910 · Fine
€50
F. Edward Hulme
1898 · Fair
€45
Ferdinand Domela Nieuwenhuis
1904 · Fair · NL
€45
Arthur Henderson Smith
1935 · Fair
€40
John Henry Newman
1858 · Good
€35
Walter Rauschenbusch
1929 · Very good
€35
Rudolf Steiner, Max Gysi
1910 · Very good
€25
Andrew Dickson White
1923 · Very good
€25
R. J. W. Rudolph
1917 · Fair · NL
€25
William Morris
1917 · Fair
€20
George Henry Borrow
1851 · Fair
€40
Edmund Garratt Gardner
1911 · Very good
€40
Harm Bouwman
1916 · Very good · NL
€30
Abraham Kuyper
1907 · Very good · NL
€30
Abraham Kuyper
1935 · Very good · NL
€50
Benjamin Field, John C. Symons
1889 · Very good
€50
Abraham Kuyper
1910 · Good · NL
€40
Theodore Parker
1884 · Good
€45
Santiago Ramón y Cajal
1935 · Good
€45
B. Bymholt
1896 · Good · NL
€45
Upton Sinclair
1935 · Good
€35
Auguste Comte
1930 · Good
€30
Henry Sinclair Hall, Samuel R. Knight
1904 · Fine
€30
John Ruskin
1907 · Good
€25
H. Was
1898 · Very good · NL
€50
Johannes Christiaan Kromsigt
1933 · Fair · NL
€20
Just Havelaar
1935 · Fair · NL
€30
Richard H. Tawney
1935 · Good
€35
Oswald Spengler, Charles Francis Atkinson
1918 · Good
€45
Jan Casper Schreuder
1930 · Good · NL
€45
Tjeerd Oeds Hylkema
1935 · Very good · NL
€50
Paul Louis Mulder
1909 · Good · NL
€45