Morris Raphael Cohen
1935 · Fine
€35
Lewis Carroll
1918 · Very good
€80
Lewis Carroll
1914 · Very good
€25
Louis Couturat
1935 · Good
€70
Ludwig Wittgenstein, Isidoro Reguera Pérez
1935 · Good
€45
Edmund Husserl
1913 · Good
€45
René Descartes
1912 · Very good
€85
C. Bruhns
1920 · Very good
€55
Aristotle
1901 · Good
€70
A. S. Neill
1933 · Good
€90
Adriaan Pit
1930 · Good · NL
€25
Cassius Jackson Keyser
1935 · Good
€50
Ernst Cassirer
1930 · Good
€30
Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
E. R. Hedrick
1920 · Very good
€60
Josiah Royce
1914 · Fair
€25
Jacques Loeb
1918 · Good
€35
H. G. Wells
1911 · Very good
€40
Josiah Royce
1935 · Very good
€30
Walter Rauschenbusch
1917 · Good
€30
Yogananda Paramahansa
1931 · Fine
€125
A. S. Neill
1935 · Very good
€45
Rudolf Steiner, Robert A. McDermott
1933 · Very good
€85
Chancellor, William Estabrook
1908 · Good
€70
Roger Eliot Fry
1921 · Fair
€55
Josiah Royce
1912 · Very good
€95
Neale Donald Walsch
1924 · Very good
€25
Edward Sapir
1926 · Good
€40
Rabindranath Tagore
1917 · Very good
€35
Walter Rauschenbusch
1929 · Very good
€35
E. T. Whittaker, G. N. Watson
1920 · Fine
€75
Joseph Le Conte
1928 · Very good
€30
Herbert E. Cobb
1935 · Very good
€30
S. Laing
1916 · Good
€50
Francis Bacon
1930 · Fair
€45
Nathaniel Lloyd
1935 · Fine
€65
Florian Cajori
1907 · Very good
€45
William Kingdon Clifford
1914 · Fair
€35
Josiah Royce
1928 · Fine
€125
Logan, John Alexander, John Alexander Logan
1919 · Very good
€25
F. Matthias Alexander
1935 · Fine
€35
Roger Eliot Fry
1931 · Very good
€30
Roscoe Pound
1935 · Fair
€45
Bertrand Russell
1920 · Fair
€40
Josiah Royce
1903 · Very good
€65
James Bissett Pratt
1935 · Very good
€70
Karl Pearson
1924 · Very good
€75
Jules Bernard Luys
1909 · Good
€25
Harold Hilton
1914 · Good
€65
Samuel Colman, Samuel Colman
1935 · Good
€30
Edward Caird
1908 · Good
€25
Arthur A. Noyes
1935 · Good
€20
Bertrand Russell
1933 · Good
€60
Christine P. Dancey, John Reidy
1935 · Good
€55
Frank Thomas Bullen
1935 · Good
€40
William Henry Bragg
1925 · Fair
€20
Bertrand Russell
1916 · Good
€80
McDougall, William
1917 · Fine
€100
Oscar Wilde
1904 · Very good
€30
Ernest Shurtleff Holmes
1921 · Fair
€55