Abraham Kuyper
1911 · Fine · NL
€30
James Martineau
1923 · Fine
€40
Rudolf Otto
1929 · Fine
€35
Jan Frederik Beerens
1910 · Fine · NL
€50
George Washington Carey, Inez E. Perry
1914 · Fine
€30
Carlton C. Curtis
1907 · Fine
€50
F. Matthias Alexander
1935 · Fine
€35
Ika A. Thomése
1935 · Fine · NL
€35
Carl David Tolmé Runge
1916 · Fine
€50
Peter Kropotkin
1910 · Fine
€50
Thompson, D'Arcy Wentworth
1931 · Fine
€35
H. G. Wells
1919 · Fine
€35
Frederic William Farrar
1905 · Fine
€35
Inge, William Ralph
1926 · Fine
€50
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
Gerard Manley Hopkins
1920 · Fine
€45
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
Ernst Heinrich Philipp August Haeckel
1900 · Fine
€30
Antoni Christiaan Winand Staring
1900 · Fine · NL
€30
Henry Gray F.R.S., Henry Vandyke Carter
1915 · Fine
€50
Romain Rolland
1918 · Fine
€50
Frederick Soddy
1935 · Fine
€30
Karel Čapek
1932 · Fine
€30
Klaas Johan Pen
1935 · Fine · NL
€35
Gilbert Keith Chesterton, Catholic Way Publishing Staff
1913 · Fine
€35
Eduard Strasburger
1935 · Fine
€45
C. Snouck Hurgronje
1935 · Fine · NL
€30
Henry Sinclair Hall, Samuel R. Knight
1904 · Fine
€30
Wood, Robert Williams
1919 · Fine
€40
Erwin Madelung
1935 · Fine
€40
Ivo Struyf
1909 · Fine · NL
€40
Walter E. Thirring
1906 · Fine
€40
Maximilien Marie
1925 · Fine
€35
E. B. Jamieson
1914 · Fine
€40
Alfred Russel Wallace
1935 · Fine
€35
H. Newell Martin
1903 · Fine
€40
Antonio Machado
1935 · Fine
€30
Theodore Shennan
1912 · Fine
€45
Jesse Feiring Williams
1924 · Fine
€35
George Bernard Shaw
1927 · Fine
€30
George M. Gould
1900 · Fine
€35
L. A. Waterbury
1913 · Fine
€45
Nicolass Muller
1915 · Fine · NL
€35
Arthur van Schendel
1921 · Fine · NL
€35
Eduard Strasburger
1924 · Fine
€40
Mortimer Menpes, Dorothy Menpes
1901 · Fine
€40
George Sydenham Clarke
1910 · Fine
€30
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
Willem Jan Maria Westerwoudt
1915 · Fine · NL
€40
Auguste Renoir
1920 · Fine
€45
John Dewey
1910 · Fine
€30
Lewis Beesly, Thomas Baillie Johnston
1928 · Fine
€50
John Willis Clark
1918 · Fine
€50
Mādhavakara.
1924 · Fine
€30
Robert Louis Stevenson
1921 · Fine
€30
Karl Pearson
1934 · Fine
€30
Rudolf Steiner
1932 · Fine
€40
Jan van Leeuwen
1935 · Fine · NL
€45
Maurice Henry Hewlett
1926 · Fine
€45
W. L. van Helten
1935 · Fine · NL
€35