James Martineau
1935 · Very good
€80
Henri Bergson
1919 · Very good
€35
F. Max Müller
1910 · Very good
€35
Clemens Brentano
1894 · Very good
€45
H. G. Wells
1911 · Very good
€40
James Bonar
1910 · Good
€65
Grant Allen
1910 · Good
€40
Stefan Zweig
1935 · Good
€35
Adam Storey Farrar
1879 · Good
€45
Brooks Adams
1897 · Fine
€190
Augustin Privat-Deschanel
1903 · Very good
€40
Mary Whiton Calkins
1910 · Very good
€35
Peter Kropotkin
1910 · Fine
€50
René Descartes
1860 · Fair
€55
George Santayana
1918 · Very good
€70
John Edwin Sandys, Sir
1932 · Very good
€25
Florian Cajori
1929 · Good
€65
Rudolf Steiner, Max Gysi
1910 · Very good
€25
Henry Adams
1926 · Good
€90
John Dewey
1935 · Good
€30
Edwin A. Burtt
1926 · Very good
€25
Muir, Robert Sir, R MacSween
1935 · Very good
€80
Thomas Henry Huxley
1905 · Good
€70
Henry Sidgwick
1893 · Good
€95
Eduard Hanslick
1870 · Good
€60
Sextus Empiricus.
1887 · Good
€40
Bhartr̥hari., Bhartr̥hari
1913 · Fair
€20
Friedrich Nietzsche, Marie-Luise Haase
1897 · Good
€75
John Dewey
1910 · Fine
€30
Emmanuel Levinas
1935 · Good
€35
Sir William Hamilton, 9th Baronet
1859 · Good
€75
Jacob Abbott
1864 · Fair
€40
Edmund Husserl
1913 · Good
€45
Agnes Repplier
1894 · Very good
€45
Elizabeth Sanderson Haldane
1930 · Good
€95
Bertrand Russell
1920 · Fair
€40
Ernest Albee
1906 · Good
€20
Henri Poincaré, Francis Maitland
1907 · Good
€60
Thomas Aquinas Sister, originally Agnes O'Neil
1934 · Good
€75
Parmenides.
1902 · Fair
€35
Denis Diderot
1862 · Fine
€270
George Adolphus Jacob
1908 · Very good
€35
H. G. Wells
1935 · Very good
€40
Ernst Cassirer
1930 · Good
€30
John Stuart Mill
1863 · Very good
€80
Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
Plato
1873 · Fair
€105
George Grote
1871 · Fair
€45
Peter Kropotkin
1925 · Very good
€35
Walter Crane
1911 · Very good · NL
€25
Claude Bernard
1870 · Very good
€130
Hugh S. Taylor
1933 · Good
€55
Heraclitus of Ephesus
1918 · Good
€20
A. S. Neill
1933 · Good
€90
Cassius Jackson Keyser
1935 · Good
€50
Adolf von Harnack
1889 · Fair
€40
Aristotle
1884 · Very good
€75
Stephen Walter Ranson
1933 · Very good
€40
Philip B. Hawk, Hawk, Philip Bovier
1920 · Very good
€40
George Santayana
1920 · Very good
€40