John Cowper Powys
1933 · Very good
€50
Søren Kierkegaard
1863 · Fair
€45
John Dewey
1910 · Fine
€30
Edward Carpenter
1906 · Good
€25
Claude Phillips
1935 · Good
€30
Percival Lowell, Pforzheimer Bruce Rogers Collection (Library of Congress)
1904 · Very good
€45
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
Bayard Taylor
1878 · Good
€50
Roger Eliot Fry
1931 · Very good
€30
Jerome Klapka Jérôme
1899 · Good
€50
Josiah Royce
1935 · Very good
€30
Huntly Carter
1935 · Very good
€25
M. Joustra
1915 · Good · NL
€25
Percival Lowell
1907 · Very good
€25
Theodore Parker
1884 · Good
€45
John William Norie
1886 · Good
€50
Ethel Puffer Howes
1905 · Good
€35
Alfred Percy Sinnett
1897 · Fair
€30
F. H. Bradley
1905 · Good
€30
Rabindranath Tagore
1917 · Very good
€35
Lydia Maria Child
1872 · Fair
€25
Thorstein Veblen
1921 · Good
€40
T. E. Hulme
1935 · Very good
€25
H. G. Wells
1911 · Very good
€40
George Santayana
1920 · Very good
€40
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
Rudyard Kipling
1927 · Fair
€15
Epictetus
1920 · Good
€20
Riccardo Nobili
1935 · Good
€25
Simon Newcomb
1910 · Good
€20
Edward Carpenter
1898 · Good
€45
Arthur Schopenhauer
1868 · Good
€40
Walter Kerr
1911 · Good
€20
Carl Gustav Jung
1915 · Very good
€25
Ika A. Thomése
1935 · Fine · NL
€35
Elbert Hubbard
1915 · Good
€25
Charles Elam
1869 · Good
€40
A. S. Neill
1935 · Very good
€45
George Percival Mills
1935 · Very good
€25
Erwin Rohde
1902 · Fair
€15
Rudolf Otto, Otto, Rudolf (Carl Ludwig Rudolf), 1869-1937.
1929 · Fair
€15
Ernest Shurtleff Holmes
1935 · Fair
€15
Thomas Henry Huxley
1904 · Good
€35
Gardner, Charles
1935 · Very good
€25
Garrett Putman Serviss
1902 · Good
€40
Dorothy Canfield Fisher
1931 · Fine
€35
Matthew Calbraith Perry
1859 · Very good
€45
Charles John Holmes
1935 · Very good
€35
J. H. de Groot
1924 · Good · NL
€40
Edward Carpenter, Jeff Carreira
1911 · Fair
€40
H. G. Wells
1935 · Very good
€40
Gilbert Keith Chesterton
1935 · Fair
€35
William Dean Howells
1900 · Good
€35
Arabella B. Buckley
1887 · Good
€45
George Alexander Wilken
1914 · Very good · NL
€40
John H. Vanderpoel
1935 · Good
€20
Richard C. Cabot
1908 · Good
€40