Rudolf Steiner, David W. Wood
1935 · Good
€20
Edward Carpenter, Jeff Carreira
1911 · Fair
€40
S. Laing
1916 · Good
€50
George Ade
1917 · Good
€45
Simon Newcomb
1903 · Good
€45
F. H. Bradley
1905 · Good
€30
R. G. Collingwood
1929 · Good
€35
Ernst Cassirer, Claus Rosenkranz
1935 · Good
€25
Simon Newcomb
1917 · Good
€20
Hendrik Blink
1921 · Very good · NL
€30
Samuel Schmucker Sadtler
1935 · Very good
€45
Jan Jacob Bruins
1935 · Very good · NL
€45
Benedictus de Spinoza
1909 · Good
€30
Henri Poincaré, J. McKeen Cattell
1915 · Good
€50
Lawrence Wolff
1929 · Very good
€35
Simon Newcomb
1910 · Good
€20
Steven S. Zumdahl
1915 · Good
€45
John Tyndall
1904 · Fair
€20
John A. Suchocki
1924 · Good
€25
F. Matthias Alexander
1935 · Fine
€35
Mary Baker Eddy
1911 · Very good
€70
Willem Kloos
1902 · Very good · NL
€65
James Bissett Pratt
1935 · Very good
€70
Johann Gottlieb Fichte
1910 · Very good
€60
L. Bautain
1911 · Good
€45
L. E. J. Brouwer
1909 · Good · NL
€60
J. Haak
1928 · Very good · NL
€30
Peter Kropotkin
1903 · Fair
€15
Emanuel Hannak
1911 · Very good · NL
€25
Lankester, E. Ray Sir
1925 · Good
€55
Sachs, Julius
1902 · Fine
€80
Snyder, Harry
1925 · Good
€20
Park, Roswell
1911 · Good
€25
Neltje Blanchan
1906 · Very good
€70
Thorstein Veblen
1921 · Good
€40
W. Brennand
1903 · Very good
€70
Rabindranath Tagore
1917 · Very good
€35
Alexander Findlay
1919 · Good
€75
E. T. Whittaker, G. N. Watson
1920 · Fine
€75
Ika A. Thomése
1935 · Fine · NL
€35
John Caird
1905 · Very good
€30
Charles John Holmes
1935 · Very good
€35
G. Hartwig
1900 · Good
€25
J. J. de Hollander
1921 · Very good · NL
€80
Henry Paul Talbot
1932 · Fine
€55
John Ruskin
1900 · Very good
€25
William Blair-Bell
1915 · Good
€30
Frederick Moore Simpson
1908 · Very good
€35
Arthur van Schendel
1921 · Fine · NL
€35
John Merle Coulter
1912 · Good
€55
Bertrand Russell
1933 · Good
€60
Wilbur Pardon Bowen
1935 · Good
€50
Neltje Blanchan
1935 · Fair
€65
Adriaan Heynsius
1908 · Very good · NL
€70
Wanda M. Miller, Wanda Maureen Miller
1912 · Good
€35
Klaas Johan Pen
1935 · Fine · NL
€35
Karl Pearson
1924 · Very good
€75
Herbert E. Cobb
1935 · Very good
€30
Paul Goodman
1920 · Good
€20
R. V. Pierce
1914 · Very good
€35