John Cowper Powys
1933 · Very good
€50
James Bissett Pratt
1935 · Very good
€70
Søren Kierkegaard
1863 · Fair
€45
John Dewey
1910 · Fine
€30
Leopold Auenbrugger, Forbes, John Sir
1764 · Very good
€295
Edward Carpenter
1906 · Good
€25
Claude Phillips
1935 · Good
€30
Percival Lowell, Pforzheimer Bruce Rogers Collection (Library of Congress)
1904 · Very good
€45
Arthur Schopenhauer
1844 · Very good
€150
Immanuel Kant
1801 · Good
€95
Johann Gottlieb Fichte
1910 · Very good
€60
F. Matthias Alexander
1935 · Fine
€35
Robert K. Gable, Marian B. Wolf
1926 · Good
€40
Oscar Wilde
1904 · Very good
€30
R. G. Collingwood
1929 · Good
€35
Sir William Jardine
1803 · Very good
€150
Bayard Taylor
1878 · Good
€50
Roger Eliot Fry
1931 · Very good
€30
John Conduitt
1733 · Very good
€665
Edwin Abbott Abbott
1887 · Very good
€155
Jerome Klapka Jérôme
1899 · Good
€50
George Boole
1856 · Good
€90
Josiah Royce
1935 · Very good
€30
Huntly Carter
1935 · Very good
€25
Aristotle
1893 · Fine
€175
Thornton W. Burgess
1935 · Fine
€115
Thomas Reid
1765 · Very good
€640
M. Joustra
1915 · Good · NL
€25
Isador H. Coriat
1935 · Very good
€105
John Buchan
1921 · Very good
€70
Hans R. Pruppacher, J.D. Klett
1904 · Very good
€120
Wilkins, John
1643 · Good
€485
Percival Lowell
1907 · Very good
€25
Theodore Parker
1884 · Good
€45
Jean-Antoine-Nicolas de Caritat marquis de Condorcet
1816 · Good
€270
John William Norie
1886 · Good
€50
Ethel Puffer Howes
1905 · Good
€35
Sir William Edward Parry
1828 · Very good
€260
Alfred Percy Sinnett
1897 · Fair
€30
McDougall, William
1917 · Fine
€100
F. H. Bradley
1905 · Good
€30
Rabindranath Tagore
1917 · Very good
€35
Samuel Stanhope Smith
1793 · Fine
€925
Lydia Maria Child
1872 · Fair
€25
Abraham Tucker
1817 · Good
€135
Thomas Hardy
1889 · Very good
€135
Charles Lanman
1862 · Fine
€110
William Pepper Jr, M.D., Alfred L. Loomis
1899 · Very good
€260
George Santayana
1935 · Very good
€75
Henri Poincaré, Nicolae Sfetcu
1919 · Very good
€100
Thorstein Veblen
1921 · Good
€40
T. E. Hulme
1935 · Very good
€25
Trotter, Thomas
1808 · Fair
€110
H. G. Wells
1911 · Very good
€40
Bertrand Russell
1933 · Good
€60
Artemidorus Daldianus
1574 · Fine
€770
George Santayana
1920 · Very good
€40
Walter Hilton, Hilton
1528 · Very good
€620
Etienne Bonnot de Condillac, Etienne Bonnot De Condillac
1793 · Good
€765
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30