Elie Metchnikoff
1903 · Very good
€35
H. Newell Martin
1903 · Fine
€40
H. Newell Martin
1908 · Very good
€35
John H. Vanderpoel
1935 · Good
€20
Ernst Heinrich Philipp August Haeckel
1903 · Good
€20
George Arthur Piersol, Thomas Dwight
1915 · Good
€45
George Bourne
1935 · Very good
€45
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
Werner Spalteholz
1926 · Good
€50
Cassius Jackson Keyser
1935 · Good
€50
Friedrich Fröbel
1913 · Good
€20
Abraham Kuyper
1911 · Fine · NL
€30
Nicolass Muller
1915 · Fine · NL
€35
Eugène Pittard
1926 · Good
€20
Werner Spalteholz
1932 · Fair
€30
Jeremiah Curtin
1913 · Good
€20
Stone, Witmer
1905 · Fair
€20
Edward Westermarck
1917 · Very good
€45
W. H. Hudson
1924 · Good
€40
Johannes Sobotta
1935 · Very good
€35
T. E. Hulme
1935 · Very good
€25
Samuel O. L. Potter
1910 · Good
€30
Jan Jacob Bruins
1935 · Very good · NL
€45
Johannes Sobotta
1919 · Good
€50
Marcellus Emants
1900 · Very good · NL
€25
Marcellus Emants
1904 · Good · NL
€20
Erin C. Amerman
1935 · Good
€30
Thomas Henry Huxley
1901 · Good
€35
E. B. Jamieson
1914 · Fine
€40
R. V. Pierce
1914 · Very good
€35
John Ernest Sullivan Frazer
1920 · Fair
€15
Max Scheler
1935 · Good
€20
Jesse Feiring Williams
1924 · Fine
€35
Thomas Richard Parsons
1925 · Good
€30
J. van Lennep
1918 · Good · NL
€35
Leslie Brainerd Arey
1924 · Very good
€45
G. Hartwig
1900 · Good
€25
Mackinder, Halford John Sir
1922 · Very good
€35
Jules Bernard Luys
1909 · Good
€25
Rabindranath Tagore
1917 · Very good
€35
Thomas Henry Huxley
1904 · Good
€35
Nederlandse Mycologische Vereniging
1918 · Fair · NL
€15
Wouter Hendrik Van Seters
1935 · Good · NL
€50
Louis Couperus
1906 · Very good · NL
€50
Annie Salomons
1923 · Very good · NL
€25
Mabel Osgood Wright
1903 · Good
€40
Klikspaan
1935 · Fair · NL
€35
W. H. Hudson
1901 · Good
€25
Simon Newcomb
1910 · Good
€20
Werner Spalteholz
1906 · Good
€25
F. Matthias Alexander
1935 · Fine
€35
Annie Salomons
1935 · Good · NL
€20
Charles John Holmes
1935 · Very good
€35
L. Th Mayer
1910 · Good · NL
€25
Ernest Thompson Seton
1929 · Fine
€35
Hendrik Blink
1921 · Very good · NL
€30
Claude Phillips
1935 · Good
€30
Victor Ernest Shelford
1935 · Fair
€20
J. Arthur Thomson
1909 · Fine
€45
W. H. Hudson
1935 · Very good
€25