Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
Sextus Empiricus.
1887 · Good
€40
Augustin Privat-Deschanel
1903 · Very good
€40
Cassius Jackson Keyser
1935 · Good
€50
Grant Allen
1910 · Good
€40
Clemens Brentano
1894 · Very good
€45
Jacinto Benavente
1920 · Good
€20
Joseph Louis Lagrange, Thomas J. McCormack
1898 · Good
€40
Adam Storey Farrar
1879 · Good
€45
Joseph William Richards
1907 · Fair
€45
Agnes Repplier
1894 · Very good
€45
Abraham Kuyper
1911 · Fine · NL
€30
Marcellus Emants
1900 · Very good · NL
€25
Albert Bielschowsky, Theobald Ziegler
1902 · Very good
€25
Ron Larson
1906 · Good
€45
George Grote
1871 · Fair
€45
J. P. Kleiweg de Zwaan
1911 · Fair · NL
€30
J. W. Mackail
1935 · Good
€50
Frances Stonor Saunders
1933 · Very good
€40
Balfour Stewart
1919 · Good
€20
Edward Carpenter
1906 · Good
€25
Stefan Zweig
1935 · Good
€35
Eugen Horn
1900 · Good · NL
€50
Garrett Putman Serviss
1913 · Good
€35
Edouard Goursat
1933 · Very good
€30
Samuel Pierpont Langley
1889 · Good
€45
Mabel Osgood Wright
1903 · Good
€40
Arthur A. Noyes
1935 · Good
€20
Charles Riborg Mann, George Ransom Twiss
1935 · Very good
€30
Vincent L. Milner
1867 · Fair
€30
Arthur van Schendel
1935 · Good · NL
€45
Heraclitus of Ephesus
1918 · Good
€20
Bruno F. Schneider
1921 · Good
€25
Francisco de Vitoria
1920 · Good
€20
Henri Bergson
1919 · Very good
€35
Gilles Deleuze, Gilles Deleuze
1906 · Very good
€25
J. P. Kleiweg de Zwaan
1920 · Good · NL
€45
Arthur Wesley Dow
1935 · Good
€25
Edwin A. Burtt
1926 · Very good
€25
Emmanuel Levinas
1935 · Good
€35
Walter Crane
1911 · Very good · NL
€25
Peter Kropotkin
1910 · Fine
€50
Wilmore, Albert.
1921 · Good
€35
Frederick Orpen Bower, Sydney Howard Vines
1903 · Fair
€45
Hendrik Adriaan Ewoud Modderman
1913 · Fair · NL
€40
Rudolf Steiner, Max Gysi
1910 · Very good
€25
Jacob Abbott
1864 · Fair
€40
Josiah Royce
1902 · Very good
€30
Parmenides.
1902 · Fair
€35
Lotta Jean Bogert
1935 · Fair
€20
H. G. Wells
1911 · Very good
€40
William Tyler Olcott
1935 · Fair
€15
Erwin Rohde
1902 · Fair
€15
Garrett Putman Serviss
1909 · Good
€45
Maurits Esser
1917 · Fair · NL
€15
Bertrand Russell
1920 · Fair
€40
John Woolman
1863 · Fair
€50
Walter Crum Watson
1917 · Fair
€25
Jens Peter Jacobsen
1892 · Good
€45
Ernest Albee
1906 · Good
€20