Antoni Christiaan Winand Staring
1900 · Fine · NL
€30
Nicolass Muller
1915 · Fine · NL
€35
Hilaire Belloc
1929 · Fine
€35
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
Carl David Tolmé Runge
1916 · Fine
€50
J. Arthur Thomson
1909 · Fine
€45
Thompson, D'Arcy Wentworth
1931 · Fine
€35
Erwin Madelung
1935 · Fine
€40
Maximilien Marie
1925 · Fine
€35
Abraham Kuyper
1911 · Fine · NL
€30
F. Matthias Alexander
1935 · Fine
€35
Rudolf Otto
1929 · Fine
€35
Romain Rolland
1918 · Fine
€50
George Bernard Shaw
1927 · Fine
€30
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
Karl Pearson
1934 · Fine
€30
Morris Raphael Cohen
1935 · Fine
€35
Henry Sinclair Hall, Samuel R. Knight
1904 · Fine
€30
James Martineau
1923 · Fine
€40
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
Carlton C. Curtis
1907 · Fine
€50
W. L. van Helten
1935 · Fine · NL
€35
Eduard Strasburger
1935 · Fine
€45
Alfred Russel Wallace
1935 · Fine
€35
Inge, William Ralph
1926 · Fine
€50
H. Newell Martin
1903 · Fine
€40
Arthur van Schendel
1921 · Fine · NL
€35
Eduard Strasburger
1924 · Fine
€40
Willem Jan Maria Westerwoudt
1915 · Fine · NL
€40
George M. Gould
1900 · Fine
€35
Henri Poincaré
1910 · Fine
€30
Frederick Soddy
1935 · Fine
€30
Henry Gray F.R.S., Henry Vandyke Carter
1915 · Fine
€50
Maurice Henry Hewlett
1926 · Fine
€45
John Dewey
1910 · Fine
€30
Karel Čapek
1932 · Fine
€30
Wood, Robert Williams
1919 · Fine
€40
Ernst Heinrich Philipp August Haeckel
1900 · Fine
€30
Ika A. Thomése
1935 · Fine · NL
€35
Klaas Johan Pen
1935 · Fine · NL
€35
E. B. Jamieson
1914 · Fine
€40
Walter E. Thirring
1906 · Fine
€40
Mary Greer Conklin
1923 · Fine
€40
Jesse Feiring Williams
1924 · Fine
€35
Paul Claudel, Claudel
1935 · Fine
€40
Antonio Machado
1935 · Fine
€30
Alfred North Whitehead
1930 · Fine
€40
Ernest Thompson Seton
1929 · Fine
€35
Leonard Anthony Springer
1915 · Fine · NL
€30
Alexis Thomson
1912 · Fine
€30
Jean-Jacques Rousseau
1927 · Fine
€30
Austin M. Patterson
1935 · Fine
€35
Peter Lund Simmonds, Simmonds P. L. (Peter Lund)
1923 · Fine
€50
Gilbert Keith Chesterton, Catholic Way Publishing Staff
1913 · Fine
€35
May Sinclair
1935 · Fine
€30
Pieter Joseph Cruse
1911 · Fine · NL
€30
John Willis Clark
1918 · Fine
€50
Rudyard Kipling
1919 · Fine
€35
Steven S. Zumdahl
1915 · Fine
€45
Charles David Hodgman
1916 · Fine
€45