Neltje Blanchan
1906 · Very good
€70
J. Haak
1928 · Very good · NL
€30
Grant Allen
1884 · Very good
€45
Asa Gray
1871 · Very good
€120
Sachs, Julius
1902 · Fine
€80
Charles-François Brisseau de Mirbel
1863 · Very good
€140
Alphonse de Candolle
1886 · Fine
€100
James M. Macoun
1919 · Very good
€45
Hermann Schlegel
1858 · Very good · NL
€65
Alexander von Humboldt
1876 · Very good
€150
John Ruskin
1908 · Very good
€100
Henry Nicholson Ellacombe
1887 · Very good
€45
David Beveridge
1892 · Very good
€55
Eduard Strasburger
1924 · Fine
€40
August Neander
1872 · Fine
€105
Eleanor Hodgman Porter, Porter
1924 · Fine
€95
Eduard Strasburger
1935 · Fine
€45
E. Pauline Johnson
1916 · Very good
€25
John Ruskin
1888 · Very good
€70
Jean-Henri Fabre
1924 · Very good
€65
B. P. Ponsioen
1935 · Very good · NL
€30
Heindel, Max, Max Heindel
1918 · Very good
€30
Otto van Rees
1857 · Very good · NL
€95
Hooker, William Jackson Sir
1881 · Very good
€205
Asa Gray
1893 · Very good
€155
Asa Gray
1870 · Very good
€90
E. L. Jackson
1935 · Very good
€45
Linnean Society of New South Wales
1882 · Fine
€130
John Merle Coulter
1915 · Very good
€40
Edward Phillips Oppenheim
1923 · Very good
€95
James Parkinson
1858 · Very good
€55
Denison Olmsted
1880 · Very good
€135
J. Arthur Thomson
1909 · Fine
€45
Joseph Pohle
1924 · Very good
€30
Ernst H. F. Meyer
1864 · Fine
€75
G. Angeletti, Alf Bjorseth
1900 · Very good
€60
A. Privat-Deschanel
1875 · Very good
€80
Charles Darwin
1871 · Very good
€135
Clarence E. Edwords
1893 · Very good
€100
Marcellus Emants
1889 · Very good · NL
€165
Jan Valckenier Suringar
1935 · Very good · NL
€95
Mary Botham Howitt
1855 · Very good
€115
John Wolley, John Wooley
1899 · Very good
€190
Carolyn Wells, Oliver Herford
1909 · Very good
€85
Robert W. C. Shelford, Edward Bagnall Poulton
1919 · Very good
€40
Francis Beaumont
1867 · Very good
€70
Victor Hugo
1858 · Fine
€95
Edward Tuckerman
1910 · Very good
€100
Leonard Richmond
1935 · Very good
€50
H. Milne-Edwards
1866 · Fine · NL
€65
Charles John Holmes
1935 · Very good
€35
D. R. Hay
1874 · Very good
€70
Camille Flammarion
1887 · Fine
€80
Eduard Strasburger
1899 · Very good
€80
John Ruskin
1895 · Very good
€145
Florence Bass
1894 · Very good
€45
Luther Burbank
1935 · Fine
€65
Elizabeth Grinnell
1905 · Fine
€85
Lewis Mumford
1935 · Very good
€25
John Burroughs
1889 · Fine
€235