J. J. Graham Brown
1901 · Very good
€50
Garrett Putman Serviss
1909 · Good
€45
Cassius Jackson Keyser
1935 · Good
€50
Samuel Colman, Samuel Colman
1935 · Good
€30
H. Newell Martin
1903 · Fine
€40
Edward Carpenter
1906 · Good
€25
J. P. Kleiweg de Zwaan
1920 · Good · NL
€45
John Dewey
1910 · Fine
€30
Garrett Putman Serviss
1907 · Fair
€30
H. Newell Martin
1908 · Very good
€35
H. G. Wells
1911 · Very good
€40
Garrett Putman Serviss
1913 · Good
€35
Arthur A. Noyes
1935 · Good
€20
Joseph Jacobs
1904 · Good
€25
H. G. Wells
1935 · Very good
€40
Peter Kropotkin
1925 · Very good
€35
Wilmore, Albert.
1921 · Good
€35
Garrett Putman Serviss
1911 · Fair
€50
Sir Robert Stawell Ball
1920 · Fair
€15
J. P. Kleiweg de Zwaan
1911 · Fair · NL
€30
Seneca Egbert
1908 · Good
€30
E. T. Whittaker, Sir William McCrae
1906 · Good
€35
T. E. Lawrence
1907 · Very good
€45
Agnes Repplier
1894 · Very good
€45
Emmanuel Levinas
1935 · Good
€35
Richard C. Cabot
1908 · Good
€40
Richard H. Tawney
1935 · Good
€35
Samuel Pierpont Langley
1889 · Good
€45
Abraham Kuyper
1911 · Fine · NL
€30
Augustin Privat-Deschanel
1903 · Very good
€40
E. B. Jamieson
1914 · Fine
€40
John Dewey
1935 · Good
€30
Arthur van Schendel
1909 · Fair · NL
€45
Riccardo Nobili
1935 · Good
€25
Rudolf Steiner, Max Gysi
1910 · Very good
€25
Samuel Thomson
1851 · Very good
€45
L. Th Mayer
1910 · Good · NL
€25
Ernst Heinrich Philipp August Haeckel
1903 · Good
€20
Marcellus Emants
1900 · Very good · NL
€25
Parmenides.
1902 · Fair
€35
A. Rutgers
1872 · Fair · NL
€50
Edwin A. Burtt
1926 · Very good
€25
Annie S. Swan
1918 · Very good
€25
Annie Salomons
1923 · Very good · NL
€25
Arthur van Schendel
1935 · Good · NL
€45
Stefan Zweig
1935 · Good
€35
Carolyn Wells
1928 · Very good
€40
William Chase Stevens
1909 · Good
€20
Howell, Thomas
1909 · Very good
€30
John Woolman
1863 · Fair
€50
Rebecca Crumpler
1905 · Good
€35
Maurits Esser
1917 · Fair · NL
€15
Lotta Jean Bogert
1935 · Fair
€20
George Frederick Kunz
1924 · Good
€20
Frederick Orpen Bower, Sydney Howard Vines
1903 · Fair
€45
Verney Lovett Cameron, Daniel Oliver
1912 · Good
€25
Elbert Hubbard
1915 · Good
€25
Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
R. M. Caven
1923 · Good
€35
Eskelhoff Carsjen Gravemeijer
1902 · Good · NL
€30