Frederick Soddy
1935 · Fine
€30
Abraham Kuyper
1911 · Fine · NL
€30
Morris Raphael Cohen
1935 · Fine
€35
Arthur van Schendel
1921 · Fine · NL
€35
George Washington Carey, Inez E. Perry
1914 · Fine
€30
Ika A. Thomése
1935 · Fine · NL
€35
F. Matthias Alexander
1935 · Fine
€35
Frederic William Farrar
1905 · Fine
€35
Lewis Beesly, Thomas Baillie Johnston
1928 · Fine
€50
Rudolf Otto
1929 · Fine
€35
Mādhavakara.
1924 · Fine
€30
Theodore Shennan
1912 · Fine
€45
John Dewey
1910 · Fine
€30
Nicolass Muller
1915 · Fine · NL
€35
Jesse Feiring Williams
1924 · Fine
€35
Inge, William Ralph
1926 · Fine
€50
Foort Cornelis Dominicus
1925 · Fine · NL
€50
Henry Sinclair Hall, Samuel R. Knight
1904 · Fine
€30
Eduard Strasburger
1924 · Fine
€40
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
Eduard Strasburger
1935 · Fine
€45
E. B. Jamieson
1914 · Fine
€40
H. Newell Martin
1903 · Fine
€40
Jan Frederik Beerens
1910 · Fine · NL
€50
Alexis Thomson
1912 · Fine
€30
Ernst Heinrich Philipp August Haeckel
1900 · Fine
€30
Rudolf Steiner
1932 · Fine
€40
George M. Gould
1900 · Fine
€35
Alexander Aaronsohn
1934 · Fine
€30
Willem Jan Maria Westerwoudt
1915 · Fine · NL
€40
Klaas Johan Pen
1935 · Fine · NL
€35
Peter Kropotkin
1910 · Fine
€50
Pieter Joseph Cruse
1911 · Fine · NL
€30
Henry Gray F.R.S., Henry Vandyke Carter
1915 · Fine
€50
Romain Rolland
1918 · Fine
€50
Leonard Anthony Springer
1915 · Fine · NL
€30
C. Snouck Hurgronje
1935 · Fine · NL
€30
Karl Pearson
1934 · Fine
€30
Sarah Orne Jewett
1901 · Fine
€45
Wood, Robert Williams
1919 · Fine
€40
Thompson, D'Arcy Wentworth
1931 · Fine
€35
Carl David Tolmé Runge
1916 · Fine
€50
Hilaire Belloc
1929 · Fine
€35
Jan van Leeuwen
1935 · Fine · NL
€45
John Reed
1932 · Fine
€40
Walter E. Thirring
1906 · Fine
€40
Antoni Christiaan Winand Staring
1900 · Fine · NL
€30
Maximilien Marie
1925 · Fine
€35
Robert Graves
1921 · Fine
€45
Richard Francis Burton, Charles F. Tyrwhitt Drake
1904 · Fine
€45
Mary Shelley
1935 · Fine
€40
Steven S. Zumdahl
1915 · Fine
€45
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
Ivo Struyf
1909 · Fine · NL
€40
George Bernard Shaw
1927 · Fine
€30
Erwin Madelung
1935 · Fine
€40
Annie L. Burton
1910 · Fine
€30
J. Arthur Thomson
1909 · Fine
€45
May Sinclair
1935 · Fine
€30
Mortimer Menpes, Dorothy Menpes
1901 · Fine
€40