Thompson, D'Arcy Wentworth
1931 · Fine
€35
Abraham Kuyper
1911 · Fine · NL
€30
J. Arthur Thomson
1909 · Fine
€45
Eduard Strasburger
1935 · Fine
€45
Carlton C. Curtis
1907 · Fine
€50
F. Matthias Alexander
1935 · Fine
€35
Nicolass Muller
1915 · Fine · NL
€35
George Sydenham Clarke
1910 · Fine
€30
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
H. Newell Martin
1903 · Fine
€40
John Reed
1932 · Fine
€40
Arthur van Schendel
1921 · Fine · NL
€35
Jean-Jacques Rousseau
1927 · Fine
€30
Ernst Heinrich Philipp August Haeckel
1900 · Fine
€30
Hezekiah Butterworth
1908 · Fine
€30
Willem Jan Maria Westerwoudt
1915 · Fine · NL
€40
Annie L. Burton
1910 · Fine
€30
May Sinclair
1935 · Fine
€30
Alexander Aaronsohn
1934 · Fine
€30
Mortimer Menpes, Dorothy Menpes
1901 · Fine
€40
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
Alfred Russel Wallace
1935 · Fine
€35
Maurice Henry Hewlett
1926 · Fine
€45
Rudyard Kipling
1919 · Fine
€35
E. B. Jamieson
1914 · Fine
€40
Eduard Strasburger
1924 · Fine
€40
Alexis Thomson
1912 · Fine
€30
James Martineau
1923 · Fine
€40
Ernest Thompson Seton
1929 · Fine
€35
John Willis Clark
1918 · Fine
€50
Antoni Christiaan Winand Staring
1900 · Fine · NL
€30
Jesse Feiring Williams
1924 · Fine
€35
Hilaire Belloc
1929 · Fine
€35
Morris Raphael Cohen
1935 · Fine
€35
Richard Francis Burton, Charles F. Tyrwhitt Drake
1904 · Fine
€45
Carl David Tolmé Runge
1916 · Fine
€50
Frederick Soddy
1935 · Fine
€30
Pieter Joseph Cruse
1911 · Fine · NL
€30
John Dewey
1910 · Fine
€30
W. L. van Helten
1935 · Fine · NL
€35
Romain Rolland
1918 · Fine
€50
Gilbert Keith Chesterton, Catholic Way Publishing Staff
1913 · Fine
€35
John Galsworthy
1930 · Fine
€30
Henry Sinclair Hall, Samuel R. Knight
1904 · Fine
€30
Leonard Anthony Springer
1915 · Fine · NL
€30
Ika A. Thomése
1935 · Fine · NL
€35
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
Peter Lund Simmonds, Simmonds P. L. (Peter Lund)
1923 · Fine
€50
Peter Kropotkin
1910 · Fine
€50
Foort Cornelis Dominicus
1925 · Fine · NL
€50
George M. Gould
1900 · Fine
€35
Ivo Struyf
1909 · Fine · NL
€40
Mary Greer Conklin
1923 · Fine
€40
Lewis Beesly, Thomas Baillie Johnston
1928 · Fine
€50
Henry Gray F.R.S., Henry Vandyke Carter
1915 · Fine
€50
Mādhavakara.
1924 · Fine
€30
George Washington Carey, Inez E. Perry
1914 · Fine
€30
Hilaire Belloc, William Hyde
1904 · Fine
€40
Rudyard Kipling
1920 · Fine
€40
Abraham Lincoln, edited by Marion Mills Miller
1917 · Fine
€45