Leonard Anthony Springer
1915 · Fine · NL
€30
Arthur van Schendel
1921 · Fine · NL
€35
Frederick Soddy
1935 · Fine
€30
Abraham Kuyper
1911 · Fine · NL
€30
Eduard Strasburger
1935 · Fine
€45
F. Matthias Alexander
1935 · Fine
€35
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
Erwin Madelung
1935 · Fine
€40
Pieter Joseph Cruse
1911 · Fine · NL
€30
Eduard Strasburger
1924 · Fine
€40
Antoni Christiaan Winand Staring
1900 · Fine · NL
€30
Willem Jan Maria Westerwoudt
1915 · Fine · NL
€40
H. Newell Martin
1903 · Fine
€40
Carlton C. Curtis
1907 · Fine
€50
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
Nicolass Muller
1915 · Fine · NL
€35
Gilbert Keith Chesterton, Catholic Way Publishing Staff
1913 · Fine
€35
Wood, Robert Williams
1919 · Fine
€40
H. G. Wells
1919 · Fine
€35
Thompson, D'Arcy Wentworth
1931 · Fine
€35
Morris Raphael Cohen
1935 · Fine
€35
Walter E. Thirring
1906 · Fine
€40
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
James Martineau
1923 · Fine
€40
Ika A. Thomése
1935 · Fine · NL
€35
Klaas Johan Pen
1935 · Fine · NL
€35
J. Arthur Thomson
1909 · Fine
€45
Ernst Heinrich Philipp August Haeckel
1900 · Fine
€30
Karl Pearson
1934 · Fine
€30
Maurice Henry Hewlett
1926 · Fine
€45
Jan van Leeuwen
1935 · Fine · NL
€45
Carl David Tolmé Runge
1916 · Fine
€50
Alfred Russel Wallace
1935 · Fine
€35
George Washington Carey, Inez E. Perry
1914 · Fine
€30
W. L. van Helten
1935 · Fine · NL
€35
Alexis Thomson
1912 · Fine
€30
Theodore Shennan
1912 · Fine
€45
Austin M. Patterson
1935 · Fine
€35
Charles David Hodgman
1916 · Fine
€45
Alfred North Whitehead
1930 · Fine
€40
Mary Shelley
1935 · Fine
€40
Robert Louis Stevenson
1921 · Fine
€30
E. B. Jamieson
1914 · Fine
€40
Jesse Feiring Williams
1924 · Fine
€35
Maximilien Marie
1925 · Fine
€35
May Sinclair
1935 · Fine
€30
Henry Sinclair Hall, Samuel R. Knight
1904 · Fine
€30
Steven S. Zumdahl
1915 · Fine
€45
Paul Claudel, Claudel
1916 · Fine
€50
Karel Čapek
1932 · Fine
€30
Ernest Thompson Seton
1929 · Fine
€35
Rudolf Otto
1929 · Fine
€35
Inge, William Ralph
1926 · Fine
€50
Robert W. Chambers
1925 · Fine
€45
Antonio Machado
1935 · Fine
€30
Jan Frederik Beerens
1910 · Fine · NL
€50
L. A. Waterbury
1913 · Fine
€45
Sarah Orne Jewett
1901 · Fine
€45
John Reed
1932 · Fine
€40
Mortimer Menpes, Dorothy Menpes
1901 · Fine
€40