Carl David Tolmé Runge
1916 · Fine
€50
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
Morris Raphael Cohen
1935 · Fine
€35
Antoni Christiaan Winand Staring
1900 · Fine · NL
€30
Arthur van Schendel
1921 · Fine · NL
€35
W. L. van Helten
1935 · Fine · NL
€35
Karl Pearson
1934 · Fine
€30
George Bernard Shaw
1927 · Fine
€30
Mary Shelley
1935 · Fine
€40
Austin M. Patterson
1935 · Fine
€35
Smithsonian Institution
1935 · Fine
€45
H. Newell Martin
1903 · Fine
€40
L. A. Waterbury
1913 · Fine
€45
Erwin Madelung
1935 · Fine
€40
Thompson, D'Arcy Wentworth
1931 · Fine
€35
Theodore Shennan
1912 · Fine
€45
Nicolass Muller
1915 · Fine · NL
€35
F. Matthias Alexander
1935 · Fine
€35
Jesse Feiring Williams
1924 · Fine
€35
John Reed
1932 · Fine
€40
Jan van Leeuwen
1935 · Fine · NL
€45
Antonio Machado
1935 · Fine
€30
Robert W. Chambers
1925 · Fine
€45
James Martineau
1923 · Fine
€40
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
Gilbert Keith Chesterton, Catholic Way Publishing Staff
1913 · Fine
€35
E. B. Jamieson
1914 · Fine
€40
John Dewey
1910 · Fine
€30
Henry Gray F.R.S., Henry Vandyke Carter
1915 · Fine
€50
Paul Claudel, Claudel
1935 · Fine
€40
J. Arthur Thomson
1909 · Fine
€45
Abraham Kuyper
1911 · Fine · NL
€30
Ika A. Thomése
1935 · Fine · NL
€35
Maurice Henry Hewlett
1926 · Fine
€45
Robert Louis Stevenson
1921 · Fine
€30
Mādhavakara.
1924 · Fine
€30
Gerard Manley Hopkins
1920 · Fine
€45
Ernest Thompson Seton
1929 · Fine
€35
Eduard Strasburger
1935 · Fine
€45
Howard Roger Garis
1924 · Fine
€30
George M. Gould
1900 · Fine
€35
Peter Lund Simmonds, Simmonds P. L. (Peter Lund)
1923 · Fine
€50
Rudyard Kipling
1919 · Fine
€35
Alfred Russel Wallace
1935 · Fine
€35
Alexis Thomson
1912 · Fine
€30
Karel Čapek
1932 · Fine
€30
Pieter Joseph Cruse
1911 · Fine · NL
€30
Wood, Robert Williams
1919 · Fine
€40
Frederick Soddy
1935 · Fine
€30
John Willis Clark
1918 · Fine
€50
Carlton C. Curtis
1907 · Fine
€50
Lewis Beesly, Thomas Baillie Johnston
1928 · Fine
€50
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
Richard Francis Burton, Charles F. Tyrwhitt Drake
1904 · Fine
€45
Frederic William Farrar
1905 · Fine
€35
Romain Rolland
1918 · Fine
€50
Charles David Hodgman
1916 · Fine
€45
Henry Sinclair Hall, Samuel R. Knight
1904 · Fine
€30
Henri Poincaré
1910 · Fine
€30
Ivo Struyf
1909 · Fine · NL
€40