Rudolf Steiner, David W. Wood
1935 · Good
€20
F. H. Bradley
1905 · Good
€30
R. G. Collingwood
1929 · Good
€35
Ernst Cassirer, Claus Rosenkranz
1935 · Good
€25
Elsdon Best
1935 · Good
€20
Benedictus de Spinoza
1909 · Good
€30
Plato
1932 · Good
€55
Bertrand Russell
1933 · Good
€60
Edmund Husserl
1913 · Good
€45
Richard Thayer Holbrook
1919 · Very good
€70
Georg Simmel, Georg Simmel
1907 · Very good
€135
Rudolf Steiner
1932 · Fine
€40
C. K. Ogden, I. A. Richards
1935 · Fair
€45
Yogananda Paramahansa
1931 · Fine
€125
Edward Carpenter, Jeff Carreira
1911 · Fair
€40
S. Laing
1916 · Good
€50
John Dewey
1910 · Fine
€30
William James
1917 · Very good
€55
George Ade
1917 · Good
€45
Garrett Putman Serviss
1909 · Good
€45
Georg Wilhelm Friedrich Hegel
1935 · Good
€100
Bertrand Russell
1907 · Fair
€45
David Hume
1903 · Fine
€50
Simon Newcomb
1903 · Good
€45
Alfred North Whitehead
1930 · Fine
€40
Martin Buber
1922 · Good
€45
Cassius Jackson Keyser
1935 · Good
€50
Rainer Maria Rilke
1935 · Fair
€45
John Dewey
1935 · Good
€30
Edward Carpenter
1906 · Good
€25
Gilbert Keith Chesterton, Gerald Gould
1918 · Fine
€115
Isaiah Berlin
1920 · Good
€25
Aristotle
1901 · Good
€70
Martin Klopstock
1911 · Good
€35
Simon Newcomb
1917 · Good
€20
Josiah Royce
1902 · Very good
€30
William Kingdon Clifford
1914 · Fair
€35
Hendrik Blink
1921 · Very good · NL
€30
Samuel Schmucker Sadtler
1935 · Very good
€45
Berdoe, Edward
1903 · Very good
€30
Jan Jacob Bruins
1935 · Very good · NL
€45
Abraham Kuyper
1911 · Fine · NL
€30
J. P. Kleiweg de Zwaan
1920 · Good · NL
€45
Henri Poincaré, J. McKeen Cattell
1915 · Good
€50