E. T. Whittaker, G. N. Watson
1920 · Fine
€75
Sir Francis Galton
1870 · Fine
€95
Nicolass Muller
1915 · Fine · NL
€35
Emanuel Hiel
1901 · Fine · NL
€130
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
F. Matthias Alexander
1935 · Fine
€35
Arthur van Schendel
1921 · Fine · NL
€35
Carl David Tolmé Runge
1916 · Fine
€50
Wood, Robert Williams
1919 · Fine
€40
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
Alfred Russel Wallace
1935 · Fine
€35
Erwin Madelung
1935 · Fine
€40
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
Abraham Kuyper
1914 · Fine · NL
€140
Conrad Busken Huet
1878 · Fine · NL
€90
Sachs, Julius
1902 · Fine
€80
Arthur B. Curtis
1929 · Fine
€60
Louis Couperus
1895 · Fine · NL
€65
Cyriel Buysse
1926 · Fine · NL
€140
Antoni Christiaan Winand Staring
1900 · Fine · NL
€30
Henry Paul Talbot
1932 · Fine
€55
J. J. Fahie
1910 · Fine
€80
Friedrich Engels
1905 · Fine
€80
McDougall, William
1917 · Fine
€100
James Martineau
1923 · Fine
€40
Eduard Strasburger
1935 · Fine
€45
Sepp, Christiaan
1912 · Fine · NL
€125
Josiah Royce
1928 · Fine
€125
Edward Bernard Koster
1916 · Fine · NL
€90
John Ruskin
1924 · Fine
€105
Abraham Kuyper
1880 · Fine · NL
€110
Robert Jacobus Fruin
1928 · Fine · NL
€55
Booker T. Washington
1919 · Fine
€105
George Fownes
1873 · Fine
€60
Petrus Johannes Blok
1902 · Fine · NL
€90
Jan ten Brink
1883 · Fine · NL
€55
Herbert Spencer
1862 · Fine
€105
David Ames Wells, George Bliss
1855 · Fine
€85
Karl Pearson
1934 · Fine
€30
Wilkie Collins
1869 · Fine
€165
L. A. Waterbury
1913 · Fine
€45
Calvin Cutter
1871 · Fine
€80
Holmes, William., William Holmes
1854 · Fine
€60
Cornelis Lekkerkerker
1935 · Fine · NL
€95
Ika A. Thomése
1935 · Fine · NL
€35
W. L. van Helten
1935 · Fine · NL
€35
Bavinck, Herman
1926 · Fine · NL
€90
Smithsonian Institution
1935 · Fine
€45
Luther Holden
1865 · Fine
€130
John Ruskin
1872 · Fine
€125
Jesse Feiring Williams
1924 · Fine
€35
John Austin Stevens
1884 · Fine
€235
Andrew Lang
1895 · Fine
€120
Cornelis Lekkerkerker
1916 · Fine · NL
€75
Pieter Joseph Cruse
1911 · Fine · NL
€30
Eduard Strasburger
1924 · Fine
€40
Elias Loomis
1902 · Fine
€55
Ernst H. F. Meyer
1864 · Fine
€75
Stewart Edward White
1916 · Fine
€100
John Willis Clark
1918 · Fine
€50