James Martineau
1923 · Fine
€40
Eduard Strasburger
1935 · Fine
€45
F. Matthias Alexander
1935 · Fine
€35
John Dewey
1910 · Fine
€30
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
Abraham Kuyper
1911 · Fine · NL
€30
Willem Jan Maria Westerwoudt
1915 · Fine · NL
€40
H. Newell Martin
1903 · Fine
€40
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
Alfred Russel Wallace
1935 · Fine
€35
Antoni Christiaan Winand Staring
1900 · Fine · NL
€30
Morris Raphael Cohen
1935 · Fine
€35
Jesse Feiring Williams
1924 · Fine
€35
George Sydenham Clarke
1910 · Fine
€30
Carl David Tolmé Runge
1916 · Fine
€50
Ika A. Thomése
1935 · Fine · NL
€35
Arthur van Schendel
1921 · Fine · NL
€35
Nicolass Muller
1915 · Fine · NL
€35
Henry Sinclair Hall, Samuel R. Knight
1904 · Fine
€30
Eduard Strasburger
1924 · Fine
€40
Ernest Thompson Seton
1929 · Fine
€35
James Law, James Law - undifferentiated
1904 · Fine
€35
Robert W. Chambers
1925 · Fine
€45
John Reed
1932 · Fine
€40
Carlton C. Curtis
1907 · Fine
€50
Paul Claudel, Claudel
1916 · Fine
€50
George Washington Carey, Inez E. Perry
1914 · Fine
€30
Pieter Joseph Cruse
1911 · Fine · NL
€30
William Dean Howells
1924 · Fine
€30
Hilaire Belloc
1929 · Fine
€35
Peter Kropotkin
1910 · Fine
€50
Ernst Heinrich Philipp August Haeckel
1900 · Fine
€30
Fred Gipson
1935 · Fine
€35
John Willis Clark
1918 · Fine
€50
Inge, William Ralph
1926 · Fine
€50
Peter Lund Simmonds, Simmonds P. L. (Peter Lund)
1923 · Fine
€50
Rudyard Kipling
1919 · Fine
€35
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
Frederick Soddy
1935 · Fine
€30
Alexis Thomson
1912 · Fine
€30
Erwin Madelung
1935 · Fine
€40
Klaas Johan Pen
1935 · Fine · NL
€35
Gilbert Keith Chesterton, Catholic Way Publishing Staff
1913 · Fine
€35
H. G. Wells
1919 · Fine
€35
Mary Greer Conklin
1923 · Fine
€40
Henri Poincaré
1910 · Fine
€30
George M. Gould
1900 · Fine
€35
Rudyard Kipling
1907 · Fine
€40
Ady, Julia Mary Cartwright
1935 · Fine
€35
Wood, Robert Williams
1919 · Fine
€40
Sarah Orne Jewett
1901 · Fine
€45
May Sinclair
1935 · Fine
€30
Steven S. Zumdahl
1915 · Fine
€45
Henry Gray F.R.S., Henry Vandyke Carter
1915 · Fine
€50
W. L. van Helten
1935 · Fine · NL
€35
Walter E. Thirring
1906 · Fine
€40
George Bernard Shaw
1927 · Fine
€30
Rudolf Otto
1929 · Fine
€35
E. B. Jamieson
1914 · Fine
€40
Maximilien Marie
1925 · Fine
€35