Morris Raphael Cohen
1935 · Fine
€35
Carl David Tolmé Runge
1916 · Fine
€50
Karl Pearson
1934 · Fine
€30
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
Walter E. Thirring
1906 · Fine
€40
Henry Sinclair Hall, Samuel R. Knight
1904 · Fine
€30
L. A. Waterbury
1913 · Fine
€45
Erwin Madelung
1935 · Fine
€40
George M. Gould
1900 · Fine
€35
Charles David Hodgman
1916 · Fine
€45
Thompson, D'Arcy Wentworth
1931 · Fine
€35
Wood, Robert Williams
1919 · Fine
€40
Frederick Soddy
1935 · Fine
€30
George Washington Carey, Inez E. Perry
1914 · Fine
€30
Smithsonian Institution
1935 · Fine
€45
Eduard Strasburger
1924 · Fine
€40
Nicolass Muller
1915 · Fine · NL
€35
Ernst Heinrich Philipp August Haeckel
1900 · Fine
€30
Steven S. Zumdahl
1915 · Fine
€45
Austin M. Patterson
1935 · Fine
€35
Lewis Beesly, Thomas Baillie Johnston
1928 · Fine
€50
C. Snouck Hurgronje
1935 · Fine · NL
€30
F. Matthias Alexander
1935 · Fine
€35
George Bernard Shaw
1927 · Fine
€30
Maximilien Marie
1925 · Fine
€35
Rudolf Otto
1929 · Fine
€35
W. L. van Helten
1935 · Fine · NL
€35
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
Mādhavakara.
1924 · Fine
€30
Willem Jan Maria Westerwoudt
1915 · Fine · NL
€40
Robert Graves
1921 · Fine
€45
Eduard Strasburger
1935 · Fine
€45
Peter Kropotkin
1910 · Fine
€50
Henri Poincaré
1910 · Fine
€30
Carlton C. Curtis
1907 · Fine
€50
E. B. Jamieson
1914 · Fine
€40
Leonard Anthony Springer
1915 · Fine · NL
€30
Ernest Thompson Seton
1929 · Fine
€35
Romain Rolland
1918 · Fine
€50
James Martineau
1923 · Fine
€40
J. Arthur Thomson
1909 · Fine
€45
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
Abraham Kuyper
1911 · Fine · NL
€30
Arthur van Schendel
1921 · Fine · NL
€35
Ika A. Thomése
1935 · Fine · NL
€35
H. Newell Martin
1903 · Fine
€40
John Willis Clark
1918 · Fine
€50
Klaas Johan Pen
1935 · Fine · NL
€35
John Dewey
1910 · Fine
€30
Theodore Shennan
1912 · Fine
€45
Inge, William Ralph
1926 · Fine
€50
Hilaire Belloc
1929 · Fine
€35
Willem van der Woude
1913 · Fine · NL
€40
Alexis Thomson
1912 · Fine
€30
Mortimer Menpes, Dorothy Menpes
1901 · Fine
€40
Howard Roger Garis
1924 · Fine
€30
Rudolf Steiner
1932 · Fine
€40
Jesse Feiring Williams
1924 · Fine
€35
Jan Frederik Beerens
1910 · Fine · NL
€50
H. G. Wells
1919 · Fine
€35