Karl Marx
1853 · Very good
€55
Peter Kropotkin
1893 · Good
€90
Edmond Dupouy
1899 · Very good · NL
€105
P.-J. Proudhon
1842 · Good
€160
Abraham Kuyper
1911 · Fine · NL
€30
Jan Jacob Bruins
1935 · Very good · NL
€45
Jack London
1927 · Fine
€145
Richard H. Tawney
1935 · Good
€35
Abraham Kuyper
1889 · Good · NL
€110
Abraham Kuyper
1907 · Very good · NL
€30
Abraham Kuyper
1935 · Very good · NL
€50
Samuel Smiles
1804 · Very good
€315
Booker T. Washington
1919 · Fine
€105
Robert Tressell
1917 · Good
€30
Henry Mayhew
1869 · Good
€70
Abraham Kuyper
1880 · Fine · NL
€110
Abraham Kuyper
1880 · Good · NL
€100
James Hobbs
1882 · Very good
€125
William Dean Howells
1900 · Good
€35
Council on Pharmacy and Chemistry (American Medical Association)
1935 · Good
€35
Ira Warren
1874 · Fine
€140
Harm Bouwman
1916 · Very good · NL
€30
Mark F. Boyd
1926 · Very good
€25
Martin Robison Delany
1865 · Good
€40
Robert Bloomfield
1814 · Good
€175
Charles Elam
1869 · Good
€40
Israel Zangwill
1902 · Good
€105
L. Th Mayer
1910 · Good · NL
€25
Gilbert Keith Chesterton, CrossReach Publications
1918 · Good
€50
Christiaan Lodewijk Houthuysen
1930 · Good · NL
€30
Theodore Parker
1884 · Good
€45
Joost van den Vondel
1746 · Very good · NL
€445
G. Wisse
1908 · Very good · NL
€30
Augustin Lodewyckx
1935 · Good · NL
€55
Walter Kerr
1911 · Good
€20
Ernst Troeltsch
1916 · Very good
€55
Paul Louis Mulder
1909 · Good · NL
€45
Robert Pollok
1832 · Very good
€165
Seneca Egbert
1908 · Good
€30
Eduard Andries
1901 · Very good · NL
€75
Peter Kropotkin
1925 · Very good
€35
Willem Usselincx
1630 · Good · NL
€520
Eugène Pittard
1926 · Good
€20
Grant Allen
1910 · Good
€40
Thomas Low Nichols
1854 · Very good
€140
Den, Tex, C.J.
1893 · Very good · NL
€210
W. J. Hofdijk
1863 · Very good · NL
€55
Isador H. Coriat
1935 · Very good
€105
University of Chicago. Press.
1913 · Good
€50
William Pain
1773 · Good
€195
E. A. Howland
1850 · Good
€150
Georgiĭ Valentinovich Plekhanov
1899 · Very good
€145
John Stuart Mill
1891 · Very good
€65
Netherlands. Ministerie van Binnenlandse Zaken
1893 · Fine · NL
€230
Lydia Maria Child
1894 · Good
€150
Eileen Edna Power
1933 · Good
€40
Hendrik Blink
1921 · Very good · NL
€30
William Morris
1900 · Good
€30
Upton Sinclair
1916 · Very good
€25
Llewelyn Powys
1932 · Very good
€55