Robert W. C. Shelford, Edward Bagnall Poulton
1919 · Very good
€40
W. H. Hudson
1901 · Good
€25
C. J. Maynard
1885 · Good
€35
Henry Walter Bates
1885 · Fair
€30
John James Audubon
1889 · Fair
€30
Henry David Thoreau
1908 · Very good
€50
W. H. Hudson
1935 · Very good
€25
Bernard Boedder
1897 · Fair
€40
Ward, James
1902 · Good
€20
Arabella B. Buckley
1887 · Good
€45
Jean Louis Rodolphe Agassiz
1884 · Fair
€50
W. Hamilton Gibson
1910 · Good
€20
John Burroughs
1894 · Good
€45
Philip Henry Gosse
1868 · Fair
€40
Edwin Checkley
1890 · Good
€50
Mabel Osgood Wright
1903 · Good
€40
Edward Jesse
1862 · Good
€40
Augustin Privat-Deschanel
1903 · Very good
€40
Dionysius Lardner
1875 · Very good
€50
William Henry Bragg
1925 · Fair
€20
John Oakesmith
1910 · Very good
€50
I. F. Henderson
1926 · Very good
€40
Henry White Warren
1901 · Good
€45
Charles Waterton
1863 · Good
€40
Charles Fletcher Lummis
1902 · Very good
€25
British Ornithologists' Union
1907 · Fair
€45
Harriet Mann Miller
1891 · Fair
€35
John George Wood
1870 · Fair
€40
John Leslie
1861 · Fair
€50
Jean Pauline Smith
1935 · Very good
€25
Catherine Parr Traill, Elizabeth Thompson
1908 · Fair
€20
Charles Darwin
1894 · Good
€45
Carlton C. Curtis
1907 · Fine
€50
Charles Darwin
1919 · Good
€30
L. H. Bailey
1932 · Good
€20
John Charles Van Dyke
1905 · Very good
€35
Christiaan Lodewijk Houthuysen
1930 · Good · NL
€30
F. Max Müller
1914 · Very good
€25
G. Hartwig
1900 · Good
€25
Grant Allen
1906 · Fair
€15
John Burroughs
1905 · Good
€50
Arabella B. Buckley
1876 · Good
€35
Thomas Henry Huxley
1889 · Fair
€30
Harriet Mann Miller
1892 · Very good
€45
Jean Louis Rodolphe Agassiz
1888 · Good
€45
Heindel, Max, Max Heindel
1918 · Very good
€30
Robert Flint
1932 · Very good
€40
Thomas Henry Huxley
1904 · Good
€35
Antwerp Edgar Pratt
1910 · Good
€40
Hendrik Blink
1925 · Fair · NL
€20
Frederick Orpen Bower
1935 · Good
€35
Wissler, Clark
1934 · Very good
€25
Julie Hoek
1930 · Very good · NL
€35
Samuel Colman, Samuel Colman
1935 · Good
€30
Franz Wilhelm Junghuhn, Frans Junghuhn
1851 · Fair · NL
€40
John Stuart Mill
1882 · Fair
€40
Charles Kingsley
1881 · Fair
€45
Oliver Davie
1904 · Good
€35
Edward North Buxton
1896 · Good
€45
Alfred North Whitehead
1930 · Fine
€40