Nicolass Muller
1915 · Fine · NL
€35
Hilaire Belloc
1929 · Fine
€35
F. Matthias Alexander
1935 · Fine
€35
H. Newell Martin
1903 · Fine
€40
Eduard Strasburger
1935 · Fine
€45
Arthur van Schendel
1921 · Fine · NL
€35
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
Pieter Joseph Cruse
1911 · Fine · NL
€30
E. B. Jamieson
1914 · Fine
€40
Eduard Strasburger
1924 · Fine
€40
Erwin Madelung
1935 · Fine
€40
James Martineau
1923 · Fine
€40
Antoni Christiaan Winand Staring
1900 · Fine · NL
€30
Abraham Kuyper
1911 · Fine · NL
€30
Carl David Tolmé Runge
1916 · Fine
€50
Henry Gray F.R.S., Henry Vandyke Carter
1915 · Fine
€50
Carlton C. Curtis
1907 · Fine
€50
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
Jesse Feiring Williams
1924 · Fine
€35
Alfred Russel Wallace
1935 · Fine
€35
Frederick Soddy
1935 · Fine
€30
Mādhavakara.
1924 · Fine
€30
Willem Jan Maria Westerwoudt
1915 · Fine · NL
€40
Ernst Heinrich Philipp August Haeckel
1900 · Fine
€30
Mortimer Menpes, Dorothy Menpes
1901 · Fine
€40
Maurice Henry Hewlett
1926 · Fine
€45
Klaas Johan Pen
1935 · Fine · NL
€35
Leonard Anthony Springer
1915 · Fine · NL
€30
J. Arthur Thomson
1909 · Fine
€45
Peter Kropotkin
1910 · Fine
€50
Alexis Thomson
1912 · Fine
€30
Theodore Shennan
1912 · Fine
€45
Paul Claudel, Claudel
1935 · Fine
€40
Robert W. Chambers
1925 · Fine
€45
John Willis Clark
1918 · Fine
€50
Romain Rolland
1918 · Fine
€50
Lewis Beesly, Thomas Baillie Johnston
1928 · Fine
€50
Morris Raphael Cohen
1935 · Fine
€35
George Sydenham Clarke
1910 · Fine
€30
Smithsonian Institution
1935 · Fine
€45
George Washington Carey, Inez E. Perry
1914 · Fine
€30
Wood, Robert Williams
1919 · Fine
€40
Ika A. Thomése
1935 · Fine · NL
€35
Thompson, D'Arcy Wentworth
1931 · Fine
€35
Maximilien Marie
1925 · Fine
€35
Jean-Jacques Rousseau
1927 · Fine
€30
Rudolf Steiner
1932 · Fine
€40
Karel Čapek
1932 · Fine
€30
George M. Gould
1900 · Fine
€35
H. G. Wells
1919 · Fine
€35
Henry Sinclair Hall, Samuel R. Knight
1904 · Fine
€30
Charles David Hodgman
1916 · Fine
€45
Rudolf Otto
1929 · Fine
€35
Walter E. Thirring
1906 · Fine
€40
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
L. A. Waterbury
1913 · Fine
€45
James Law, James Law - undifferentiated
1904 · Fine
€35
W. L. van Helten
1935 · Fine · NL
€35
Jan van Leeuwen
1935 · Fine · NL
€45
Karl Pearson
1934 · Fine
€30