Heraclitus of Ephesus
1918 · Good
€20
Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
Cassius Jackson Keyser
1935 · Good
€50
Marcellus Emants
1900 · Very good · NL
€25
Elbert Hubbard
1915 · Good
€25
Sextus Empiricus.
1887 · Good
€40
Eugen Horn
1900 · Good · NL
€50
Mary Whiton Calkins
1910 · Very good
€35
George Frederick Kunz
1935 · Very good
€40
Ron Larson
1906 · Good
€45
Edouard Goursat
1933 · Very good
€30
Samuel Colman, Samuel Colman
1935 · Good
€30
Joseph William Richards
1907 · Fair
€45
Eliza Laurillard
1891 · Fair · NL
€45
Arthur Schopenhauer
1912 · Good
€30
Mabel Osgood Wright
1903 · Good
€40
Santiago Ramón y Cajal, Pedro Pasik
1902 · Good
€35
Augustin Privat-Deschanel
1903 · Very good
€40
Joseph Louis Lagrange, Thomas J. McCormack
1898 · Good
€40
E. B. Jamieson
1914 · Fine
€40
Philip B. Hawk, Hawk, Philip Bovier
1920 · Very good
€40
Francisco de Vitoria
1920 · Good
€20
Frederick Orpen Bower, Sydney Howard Vines
1903 · Fair
€45
Grant Allen
1910 · Good
€40
Doreen Cronin, Betsy Lewin
1935 · Good
€20
Herman Heijermans
1932 · Good · NL
€25
Ernst Cassirer
1930 · Good
€30
Saint Cyprian, Bishop of Carthage, Apponius.
1860 · Good
€40
Erwin Rohde
1902 · Fair
€15
Bertrand Russell
1916 · Fair
€45
Frederick Hamilton-Temple-Blackwood, 1st Marquess of Dufferin and Ava
1852 · Good
€40
T. E. Lawrence
1907 · Very good
€45
Charles George Herbermann, Edward Aloysius Pace
1935 · Fair
€15
Richard C. Cabot
1908 · Good
€40
Henri Bergson
1919 · Very good
€35
Riccardo Nobili
1935 · Good
€25
Peter Kropotkin
1925 · Very good
€35
Annie Salomons
1923 · Very good · NL
€25
Daniel John Cunningham
1919 · Very good
€40
E. T. Whittaker, Sir William McCrae
1906 · Good
€35
John Dewey
1910 · Fine
€30
Jan Frederik Beerens
1910 · Fine · NL
€50
Parmenides.
1902 · Fair
€35
L. A. Bakhuis
1902 · Very good · NL
€45
Abraham Kuyper
1892 · Very good · NL
€50
Peter Kropotkin
1910 · Fine
€50
F. Max Müller
1910 · Very good
€35
Sir Robert Stawell Ball
1920 · Fair
€15
Walter Crum Watson
1917 · Fair
€25
Edward Carpenter
1906 · Good
€25
Bertrand Russell
1920 · Fair
€40
Abraham Roger
1935 · Good · NL
€40
Justus van Maurik
1914 · Very good · NL
€45
Clemens Brentano
1894 · Very good
€45
Charles Haddon Spurgeon
1924 · Good
€35
Howell, Thomas
1909 · Very good
€30
Maximilien Marie
1925 · Fine
€35
H. Koffyberg
1924 · Fair · NL
€20
Agnes Repplier
1894 · Very good
€45
Henri Bergson, CHAILLAND
1907 · Good
€35