Nicolass Muller
1915 · Fine · NL
€35
Arthur van Schendel
1921 · Fine · NL
€35
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
Abraham Kuyper
1911 · Fine · NL
€30
Eduard Strasburger
1935 · Fine
€45
Jan Frederik Beerens
1910 · Fine · NL
€50
F. Matthias Alexander
1935 · Fine
€35
Romain Rolland
1918 · Fine
€50
Klaas Johan Pen
1935 · Fine · NL
€35
James Martineau
1923 · Fine
€40
Peter Kropotkin
1910 · Fine
€50
John Willis Clark
1918 · Fine
€50
Pieter Joseph Cruse
1911 · Fine · NL
€30
E. B. Jamieson
1914 · Fine
€40
Hilaire Belloc
1929 · Fine
€35
Rudolf Otto
1929 · Fine
€35
Woodrow Wilson
1922 · Fine
€45
Erwin Madelung
1935 · Fine
€40
Jan van Leeuwen
1935 · Fine · NL
€45
Leonard Anthony Springer
1915 · Fine · NL
€30
Robert W. Chambers
1925 · Fine
€45
Carl David Tolmé Runge
1916 · Fine
€50
John Dewey
1910 · Fine
€30
Willem Jan Maria Westerwoudt
1915 · Fine · NL
€40
Alexis Thomson
1912 · Fine
€30
Eduard Strasburger
1924 · Fine
€40
Henry Sinclair Hall, Samuel R. Knight
1904 · Fine
€30
W. L. van Helten
1935 · Fine · NL
€35
Antoni Christiaan Winand Staring
1900 · Fine · NL
€30
Karl Pearson
1934 · Fine
€30
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
Mortimer Menpes, Dorothy Menpes
1901 · Fine
€40
Lewis Beesly, Thomas Baillie Johnston
1928 · Fine
€50
L. A. Waterbury
1913 · Fine
€45
H. Newell Martin
1903 · Fine
€40
John Reed
1932 · Fine
€40
Maximilien Marie
1925 · Fine
€35
Ernst Heinrich Philipp August Haeckel
1900 · Fine
€30
Ivo Struyf
1909 · Fine · NL
€40
Theodore Shennan
1912 · Fine
€45
Maurice Henry Hewlett
1926 · Fine
€45
Morris Raphael Cohen
1935 · Fine
€35
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
Alfred Russel Wallace
1935 · Fine
€35
Thompson, D'Arcy Wentworth
1931 · Fine
€35
Ika A. Thomése
1935 · Fine · NL
€35
David Hume
1903 · Fine
€50
Alexander Aaronsohn
1934 · Fine
€30
William Dean Howells
1924 · Fine
€30
Wood, Robert Williams
1919 · Fine
€40
Rembrandt Harmenszoon van Rijn, Holm Bevers
1900 · Fine
€50
Alfred North Whitehead
1930 · Fine
€40
Hilaire Belloc, William Hyde
1904 · Fine
€40
Rudyard Kipling
1919 · Fine
€35
Mary Greer Conklin
1923 · Fine
€40
Peter Lund Simmonds, Simmonds P. L. (Peter Lund)
1923 · Fine
€50
Jesse Feiring Williams
1924 · Fine
€35
Carlton C. Curtis
1907 · Fine
€50
Mādhavakara.
1924 · Fine
€30
Frederic William Farrar
1905 · Fine
€35