Elie Metchnikoff
1903 · Very good
€35
H. Newell Martin
1903 · Fine
€40
H. Newell Martin
1908 · Very good
€35
George Bourne
1935 · Very good
€45
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
Abraham Kuyper
1911 · Fine · NL
€30
Nicolass Muller
1915 · Fine · NL
€35
Edward Westermarck
1917 · Very good
€45
Johannes Sobotta
1935 · Very good
€35
T. E. Hulme
1935 · Very good
€25
Jan Jacob Bruins
1935 · Very good · NL
€45
Marcellus Emants
1900 · Very good · NL
€25
E. B. Jamieson
1914 · Fine
€40
R. V. Pierce
1914 · Very good
€35
Jesse Feiring Williams
1924 · Fine
€35
Leslie Brainerd Arey
1924 · Very good
€45
Mackinder, Halford John Sir
1922 · Very good
€35
Rabindranath Tagore
1917 · Very good
€35
Louis Couperus
1906 · Very good · NL
€50
Annie Salomons
1923 · Very good · NL
€25
F. Matthias Alexander
1935 · Fine
€35
Charles John Holmes
1935 · Very good
€35
Ernest Thompson Seton
1929 · Fine
€35
Hendrik Blink
1921 · Very good · NL
€30
J. Arthur Thomson
1909 · Fine
€45
W. H. Hudson
1935 · Very good
€25
Howell, Thomas
1909 · Very good
€30
Henry Gray F.R.S., Henry Vandyke Carter
1915 · Fine
€50
Peter Kropotkin
1925 · Very good
€35
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
Thomas Mann
1928 · Very good
€45
Harriet Mann Miller
1933 · Very good
€45
Emil Zuckerkandl
1923 · Very good
€35
George M. Gould
1900 · Fine
€35
Geoffrey Scott
1915 · Very good
€25
D. Embden
1902 · Very good · NL
€30
Arthur van Schendel
1921 · Fine · NL
€35
Thomas Henry Huxley, James Paradis
1935 · Very good
€25
Harriet Mann Miller
1892 · Very good
€45
J. Haak
1928 · Very good · NL
€30
I. F. Henderson
1926 · Very good
€40
Rudyard Kipling
1901 · Very good
€50
H. G. Wells
1911 · Very good
€40
John Caird
1905 · Very good
€30
Emanuel Hannak
1911 · Very good · NL
€25
Julie Hoek
1930 · Very good · NL
€35
Pieter Joseph Cruse
1911 · Fine · NL
€30
A. W. Nieuwenhuis
1901 · Very good · NL
€35
J. van Lennep
1860 · Very good · NL
€50
Alexander von Humboldt
1853 · Very good
€50
James Martineau
1923 · Fine
€40
Rubert W. Boyce
1920 · Very good
€25
Lewis Mumford
1935 · Very good
€25
Jan van Leeuwen
1924 · Very good · NL
€30
Alexander Milton Ross
1888 · Very good
€50
H. Was
1898 · Very good · NL
€50
Joseph Le Conte
1928 · Very good
€30
Hilaire Belloc
1929 · Fine
€35
Worthington Hooker
1906 · Very good
€30
Archibald Thorburn
1935 · Very good
€35