Geoffrey Scott
1915 · Very good
€25
Elie Metchnikoff
1903 · Very good
€35
T. E. Hulme
1935 · Very good
€25
Friedrich Fröbel
1913 · Good
€20
Ernst Heinrich Philipp August Haeckel
1903 · Good
€20
H. Newell Martin
1908 · Very good
€35
Abraham Kuyper
1911 · Fine · NL
€30
H. Newell Martin
1903 · Fine
€40
John H. Vanderpoel
1935 · Good
€20
Thomas Henry Huxley, James Paradis
1935 · Very good
€25
Arnold Henry Guyot
1850 · Fair
€35
Edward Westermarck
1917 · Very good
€45
Ward, James
1902 · Good
€20
Friedrich Fröbel
1919 · Good
€20
Thomas Henry Huxley
1889 · Fair
€30
Cassius Jackson Keyser
1935 · Good
€50
Thomas Henry Huxley
1901 · Good
€35
Max Scheler
1935 · Good
€20
A. S. Neill
1935 · Very good
€45
Vincent L. Milner
1867 · Fair
€30
Thomas Mann
1928 · Very good
€45
D. Embden
1902 · Very good · NL
€30
F. Matthias Alexander
1935 · Fine
€35
Lydia Maria Child
1872 · Fair
€25
Werner Spalteholz
1926 · Good
€50
Rabindranath Tagore
1917 · Very good
€35
Peter Kropotkin
1925 · Very good
€35
Ika A. Thomése
1935 · Fine · NL
€35
Werner Spalteholz
1906 · Good
€25
Thompson, Francis, 1859-1907
1913 · Fair
€45
Rudolf Steiner, Max Gysi
1910 · Very good
€25
W. H. Hudson
1935 · Very good
€25
Thomas Richard Parsons
1925 · Good
€30
George Arthur Piersol, Thomas Dwight
1915 · Good
€45
Friedrich Nietzsche
1925 · Good
€50
Alb C. Kruijt
1927 · Very good · NL
€25
Werner Spalteholz
1932 · Fair
€30
H. Was
1898 · Very good · NL
€50
Theophilus Hahn
1929 · Good
€25
E. B. Jamieson
1914 · Fine
€40
Samuel O. L. Potter
1910 · Good
€30
W. H. Hudson
1901 · Good
€25
George Bourne
1935 · Very good
€45
Eugène Pittard
1926 · Good
€20
Jacques Loeb
1918 · Good
€35
J. H. Dünner
1930 · Very good · NL
€50
Peter Kropotkin
1910 · Fine
€50
John Oakesmith
1910 · Very good
€50
Theodore Parker
1884 · Good
€45
Thomas Henry Huxley
1904 · Good
€35
Johan Huizinga
1927 · Very good
€35
James Martineau
1923 · Fine
€40
Johannes Sobotta
1935 · Very good
€35
S. Laing
1916 · Good
€50
Havelock Ellis
1928 · Good
€30
Thorstein Veblen
1921 · Good
€40
Three Initiates
1928 · Good
€20
Dionysius Lardner
1875 · Very good
€50
Maurice Maeterlinck
1935 · Good
€40
John Henry Newman
1900 · Good
€50