Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
Sextus Empiricus.
1887 · Good
€40
Philip Gengembre Hubert, Philip G., Jr. Hubert
1896 · Good
€110
Augustin Privat-Deschanel
1903 · Very good
€40
James Bonar
1910 · Good
€65
Cassius Jackson Keyser
1935 · Good
€50
Henry Sidgwick
1893 · Good
€95
Grant Allen
1910 · Good
€40
Thomas Henry Huxley
1905 · Good
€70
José Ortega y Gasset
1931 · Very good
€60
George Boole
1856 · Good
€90
William Ledley Vosburgh
1918 · Very good
€90
Clemens Brentano
1894 · Very good
€45
Jacinto Benavente
1920 · Good
€20
James McNeill Whistler
1895 · Good
€120
Clive Bell
1935 · Very good
€120
Friedrich Nietzsche, Marie-Luise Haase
1897 · Good
€75
Joseph Louis Lagrange, Thomas J. McCormack
1898 · Good
€40
Daniel Webster
1854 · Good
€150
Engelbertus Eliza Willem Gerards Schröder
1917 · Very good · NL
€70
Adam Storey Farrar
1879 · Good
€45
Joseph William Richards
1907 · Fair
€45
Henri Poincaré, Nicolae Sfetcu
1919 · Very good
€100
Agnes Repplier
1894 · Very good
€45
D. Bierens de Haan
1898 · Very good · NL
€90
Abraham Kuyper
1911 · Fine · NL
€30
Marcellus Emants
1900 · Very good · NL
€25
Albert Bielschowsky, Theobald Ziegler
1902 · Very good
€25
Thomas Whittaker
1907 · Good
€95
Ron Larson
1906 · Good
€45
George Grote
1871 · Fair
€45
Leander Sylvester Keyser
1907 · Fine
€70
J. P. Kleiweg de Zwaan
1911 · Fair · NL
€30
J. W. Mackail
1935 · Good
€50
Willem Bilderdijk
1864 · Good · NL
€85
Frances Stonor Saunders
1933 · Very good
€40
Florian Cajori
1929 · Good
€65
James Jackson Jarves
1879 · Fine
€210
Sir William Hamilton, 9th Baronet
1859 · Good
€75
Balfour Stewart
1919 · Good
€20
Edward Carpenter
1906 · Good
€25
John Stuart Mill
1863 · Very good
€80
Stefan Zweig
1935 · Good
€35
Eugen Horn
1900 · Good · NL
€50
Alexander Ziegler
1874 · Very good · NL
€165
Koninklijke Nederlandse Akademie van Wetenschappen.
1875 · Fair · NL
€70
Eduard Hanslick
1870 · Good
€60
Garrett Putman Serviss
1913 · Good
€35
Henri Poincaré, Francis Maitland
1907 · Good
€60
James Anthony Froude
1884 · Fine
€95
Edouard Goursat
1933 · Very good
€30
Samuel Pierpont Langley
1889 · Good
€45
Mabel Osgood Wright
1903 · Good
€40
James Martineau
1935 · Very good
€80
C. Poensen
1902 · Fair · NL
€75
Henry Adams
1926 · Good
€90
John Dewey, john dewey
1935 · Good
€75
Arthur A. Noyes
1935 · Good
€20
G. Charles Aalders
1923 · Good · NL
€75
Charles Riborg Mann, George Ransom Twiss
1935 · Very good
€30