Arthur B. Curtis
1929 · Fine
€60
Karl Marx
1870 · Fine
€195
E. T. Whittaker, G. N. Watson
1920 · Fine
€75
F. Matthias Alexander
1935 · Fine
€35
Maatschappij der Nederlandse Letterkunde te Leiden
1811 · Fine · NL
€180
Henry Paul Talbot
1932 · Fine
€55
Peter Lund Simmonds, Simmonds P. L. (Peter Lund)
1923 · Fine
€50
Abraham Kuyper
1911 · Fine · NL
€30
Carl David Tolmé Runge
1916 · Fine
€50
Nicolass Muller
1915 · Fine · NL
€35
Erwin Madelung
1935 · Fine
€40
John D. Godman
1827 · Fine
€125
George Fownes
1873 · Fine
€60
Plato
1562 · Fine
€1,785
Brooks Adams
1897 · Fine
€190
John William Draper
1847 · Fine
€180
Yogananda Paramahansa
1931 · Fine
€125
Alexander Lowy, Benjamin Harrow
1924 · Fine
€120
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
Richard Watson
1830 · Fine
€145
Constantin-François Volney
1796 · Fine
€355
Louis Couperus
1895 · Fine · NL
€65
William Whewell
1848 · Fine
€145
Karl Pearson
1934 · Fine
€30
Friedrich Engels
1905 · Fine
€80
Maria Edgeworth
1839 · Fine
€205
Herbert Spencer
1862 · Fine
€105
Gerrit Cornelis August Valewink
1918 · Fine · NL
€85
H. Stanley Redgrove
1911 · Fine
€170
Carlton C. Curtis
1907 · Fine
€50
Frederik Hendrik Neiszen
1935 · Fine · NL
€110
John Moore
1812 · Fine
€330
John Uri Lloyd
1887 · Fine
€175
Paul Drude
1919 · Fine
€160
David Ames Wells, George Bliss
1855 · Fine
€85
Eduard Strasburger
1935 · Fine
€45
Walter E. Thirring
1906 · Fine
€40
Thomas Middleton
1580 · Fine
€1,055
James Jackson Jarves
1879 · Fine
€210
Epictetus
1657 · Fine
€2,875
Willem Jan Maria Westerwoudt
1915 · Fine · NL
€40
Peter Kropotkin
1910 · Fine
€50
Sachs, Julius
1902 · Fine
€80
James Anthony Froude
1884 · Fine
€95
H. Newell Martin
1903 · Fine
€40
Maximilien Marie
1925 · Fine
€35
Daniel Couperus Steyn Parvé
1855 · Fine · NL
€65
Richard Jefferies
1907 · Fine
€90
John Ruskin
1857 · Fine
€100
Charles Darwin
1909 · Fine
€90
Charles Lanman
1862 · Fine
€110
L. A. Waterbury
1913 · Fine
€45
Emanuel Hiel
1901 · Fine · NL
€130
George Boole
1882 · Fine
€65
Howe, George, George Howe
1911 · Fine
€70
J. F. Blacker
1813 · Fine
€475
John Hamilton Moore
1799 · Fine
€740
Hilaire Belloc
1929 · Fine
€35
John Dewey
1910 · Fine
€30
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30