Karl Marx
1870 · Fine
€195
Peter Kropotkin
1910 · Fine
€50
Peter Kropotkin
1886 · Very good
€60
Paul Eltzbacher
1922 · Very good
€50
Karl Marx
1853 · Very good
€55
James E. Thorold Rogers
1893 · Very good
€175
John Caird
1905 · Very good
€30
Walter Crane
1911 · Very good · NL
€25
Brooks Adams
1897 · Fine
€190
Thorstein Veblen
1935 · Very good
€65
Georgiĭ Valentinovich Plekhanov
1899 · Very good
€145
Karl Marx, Friedrich Engels
1863 · Very good
€155
Rabindranath Tagore
1917 · Very good
€35
John Ruskin
1935 · Very good
€35
James Finley Weir Johnston
1855 · Very good
€225
Abraham Kuyper
1911 · Fine · NL
€30
Friedrich Engels
1905 · Fine
€80
D. Embden
1902 · Very good · NL
€30
Frederick Moore Simpson
1908 · Very good
€35
James Martineau
1935 · Very good
€80
Michel Herman van Campen
1927 · Very good · NL
€35
John Cowper Powys
1933 · Very good
€50
Thomas Henry Huxley, James Paradis
1935 · Very good
€25
Peter Kropotkin
1931 · Very good
€60
John Ruskin
1884 · Very good
€215
Jan Jacob Bruins
1935 · Very good · NL
€45
Andrew Lang
1898 · Very good
€210
John Stuart Mill
1891 · Very good
€65
Vladimir Il’ich Lenin, John Barber
1935 · Very good
€55
Maatschappij der Nederlandse Letterkunde te Leiden
1811 · Fine · NL
€180
Poland.
1697 · Very good
€1,125
Ernst Troeltsch
1916 · Very good
€55
Rudolf Steiner, Max Gysi
1910 · Very good
€25
Constantin-François Volney
1796 · Fine
€355
Walsh, Michael
1808 · Very good
€180
T. E. Hulme
1935 · Very good
€25
Rudyard Kipling
1890 · Very good
€110
John Campbell Shairp
1883 · Very good
€105
Ira Remsen
1888 · Very good
€120
Upton Sinclair
1916 · Very good
€25
Giambattista Vico
1737 · Very good
€1,090
Benjamin N. Cardozo
1924 · Very good
€25
Harriet Martineau
1858 · Very good
€165
Benjamin N. Cardozo, Andrew L. Kaufman
1935 · Very good
€70
Thomas Reid
1765 · Very good
€640
Josiah Royce
1928 · Fine
€125
Justus von Liebig
1844 · Very good
€220
Rudolf von Wagner
1871 · Very good
€70
Abraham Kuyper
1907 · Very good · NL
€30
Abraham Kuyper
1935 · Very good · NL
€50
Godefridus Udemans
1648 · Very good · NL
€1,820
Ralph Cudworth
1703 · Very good
€540
Caleb Bingham
1806 · Fine
€180
George Santayana
1918 · Very good
€70
James Syme
1833 · Fine
€220
Albertus Johannes Roijaards
1897 · Very good · NL
€80
Immanuel Kant, Alain Renaut
1807 · Very good
€330
William Godwin
1811 · Very good
€170
F. Matthias Alexander
1935 · Fine
€35
Phillips Brooks
1911 · Very good
€25