William Kingdon Clifford
1914 · Fair
€35
Lawrence Sklar
1911 · Very good
€30
Edwin A. Burtt
1926 · Very good
€25
Henri Poincaré, J. McKeen Cattell
1915 · Good
€50
Peter Kropotkin
1903 · Fair
€15
Rudolf Steiner, Max Gysi
1910 · Very good
€25
Dionysius Lardner
1875 · Very good
€50
Edwin A. Burtt
1927 · Good
€40
Auguste Comte
1867 · Fair
€50
Augustin Privat-Deschanel
1903 · Very good
€40
William Henry Bragg
1925 · Fair
€20
Tito Vignoli
1885 · Good
€50
S. Laing
1916 · Good
€50
Jacob Abbott
1864 · Fair
€40
John Caird
1884 · Fair
€25
John Caird
1905 · Very good
€30
Henri Poincaré
1910 · Fine
€30
William C. McC Lewis
1935 · Good
€30
Max Born
1935 · Good
€25
Josiah Royce
1935 · Very good
€30
F. H. Bradley
1905 · Good
€30
William De Witt Hyde
1935 · Very good
€25
John Burnet
1918 · Good
€45
Hastings Rashdall
1923 · Very good
€25
R. G. Collingwood
1927 · Very good
€35
Alfred Weber, Frank Thilly
1902 · Good
€20
Ernest Albee
1906 · Good
€20
Jacques Loeb
1918 · Good
€35
Edwin Checkley
1890 · Good
€50
Henri Bergson
1919 · Very good
€35
Henri Poincaré
1906 · Very good
€45
Will Durant
1919 · Good
€50
Friedrich Fröbel
1919 · Good
€20
Francis Bacon
1930 · Fair
€45
William James
1935 · Fair
€15
Benedictus de Spinoza
1909 · Good
€30
George Edward Moore
1922 · Good
€50
Herbert Spencer
1867 · Good
€45
G. N. Watson
1935 · Good
€20
Grant Allen
1910 · Good
€40
Max Scheler
1935 · Good
€20
F. Max Müller
1914 · Very good
€25
Bertrand Russell
1920 · Fair
€40
John Cowper Powys
1933 · Very good
€50
Friedrich Nietzsche
1911 · Good
€30
A. S. Neill
1935 · Very good
€45
Frederick Charles Copleston
1910 · Very good
€40
John Dewey
1935 · Good
€30
Steven S. Zumdahl
1907 · Very good
€25
Thomas Troward
1922 · Good
€30
Arthur Stanley Eddington
1924 · Good
€35
Jacques Maritain
1921 · Very good
€45
Auguste Comte
1930 · Good
€30
Sextus Empiricus.
1887 · Good
€40
Norman Robert Campbell
1907 · Good
€30
Dasgupta, Surendranath
1935 · Good
€20
Charles Riborg Mann
1916 · Very good
€35
Alexander Findlay
1908 · Good
€40
Alfred North Whitehead
1930 · Fine
€40
Joseph Le Conte
1928 · Very good
€30