Clemens Brentano
1894 · Very good
€45
Henri Bergson
1919 · Very good
€35
James Martineau
1935 · Very good
€80
H. G. Wells
1911 · Very good
€40
José Ortega y Gasset
1931 · Very good
€60
Stefan Zweig
1935 · Good
€35
Augustin Privat-Deschanel
1903 · Very good
€40
F. Max Müller
1910 · Very good
€35
Mary Whiton Calkins
1910 · Very good
€35
Brooks Adams
1897 · Fine
€190
John Dewey
1935 · Good
€30
Edwin A. Burtt
1926 · Very good
€25
Elizabeth Sanderson Haldane
1930 · Good
€95
Henry Adams
1926 · Good
€90
Henri Poincaré, Nicolae Sfetcu
1919 · Very good
€100
George Santayana
1920 · Very good
€40
Eduard Hanslick
1870 · Good
€60
Thomas Henry Huxley
1905 · Good
€70
Grant Allen
1910 · Good
€40
Peter Kropotkin
1910 · Fine
€50
Sextus Empiricus.
1887 · Good
€40
Adam Storey Farrar
1879 · Good
€45
Claude Bernard
1870 · Very good
€130
Muir, Robert Sir, R MacSween
1935 · Very good
€80
Thomas Aquinas Sister, originally Agnes O'Neil
1934 · Good
€75
Rudolf Steiner, Max Gysi
1910 · Very good
€25
Emmanuel Levinas
1935 · Good
€35
Peter Kropotkin
1925 · Very good
€35
Denis Diderot
1862 · Fine
€270
James Bonar
1910 · Good
€65
Sir William Hamilton, 9th Baronet
1859 · Good
€75
Henri Poincaré
1906 · Very good
€45
John Edwin Sandys, Sir
1932 · Very good
€25
George Santayana
1918 · Very good
€70
Jacinto Benavente
1920 · Good
€20
Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
A. S. Neill
1933 · Good
€90
Friedrich Nietzsche, Marie-Luise Haase
1897 · Good
€75
Edmund Husserl
1913 · Good
€45
Francisco de Vitoria
1920 · Good
€20
Henry Sidgwick
1893 · Good
€95
Philip B. Hawk, Hawk, Philip Bovier
1920 · Very good
€40
Bavinck, Herman
1925 · Very good · NL
€25
Heraclitus of Ephesus
1918 · Good
€20
Florian Cajori
1929 · Good
€65
Ernest Albee
1906 · Good
€20
George Adolphus Jacob
1908 · Very good
€35
Walter Crane
1911 · Very good · NL
€25
Agnes Repplier
1894 · Very good
€45
Aristotle
1884 · Very good
€75
Ernst Cassirer
1930 · Good
€30
Лев Толстой
1908 · Very good
€50
Cassius Jackson Keyser
1935 · Good
€50
Plato
1916 · Good
€20
Maximilien Marie
1925 · Fine
€35
John Dewey
1910 · Fine
€30
Uspenskiĭ Petr Demʹi͡anovich
1935 · Fine
€95
John Stuart Mill
1863 · Very good
€80
H. G. Wells
1935 · Very good
€40
Augustine of Hippo
1857 · Very good
€75