Eduard Strasburger
1935 · Fine
€45
Sachs, Julius
1902 · Fine
€80
Ernst H. F. Meyer
1864 · Fine
€75
Eduard Strasburger
1924 · Fine
€40
G. J. Filet
1872 · Fine · NL
€95
David Prescott Barrows, Harry W. Lawton
1913 · Fine
€70
Alphonse de Candolle
1886 · Fine
€100
Jesse Feiring Williams
1924 · Fine
€35
James Martineau
1923 · Fine
€40
Arthur van Schendel
1921 · Fine · NL
€35
John Ruskin
1924 · Fine
€105
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
Jean-Jacques Rousseau
1927 · Fine
€30
Henry Paul Talbot
1932 · Fine
€55
Carl David Tolmé Runge
1916 · Fine
€50
George Fownes
1873 · Fine
€60
Theodore Shennan
1912 · Fine
€45
Babcock & Wilcox Company.
1921 · Fine
€65
Wilkie Collins
1869 · Fine
€165
Thompson, D'Arcy Wentworth
1931 · Fine
€35
Calvin Cutter
1871 · Fine
€80
Elias Loomis
1902 · Fine
€55
William Beebe
1935 · Fine
€115
Diana Clifford Kimber
1903 · Fine
€155
Luther Holden
1865 · Fine
€130
Catherine Parr Traill
1874 · Fine
€160
F. Matthias Alexander
1935 · Fine
€35
J. Arthur Thomson
1909 · Fine
€45
W. H. Hudson, W. H Hudson
1907 · Fine
€110
John George Wood
1886 · Fine
€105
Jeanne Marie Bouvier de La Motte Guyon
1869 · Fine
€215
David Ames Wells, George Bliss
1855 · Fine
€85
Luther Burbank
1935 · Fine
€65
Cyriel Buysse
1926 · Fine · NL
€140
John Burroughs
1889 · Fine
€235
Frederik Hendrik Neiszen
1935 · Fine · NL
€110
Lewis Beesly, Thomas Baillie Johnston
1928 · Fine
€50
Alfred Russel Wallace
1935 · Fine
€35
Camille Flammarion
1887 · Fine
€80
Thomas Henry Huxley
1897 · Fine
€135
Daniel John Cunningham
1895 · Fine
€120
Klaas Johan Pen
1935 · Fine · NL
€35
William Henry Flower, William Henry Flower
1878 · Fine
€255
August Neander
1872 · Fine
€105
Clara Dillingham Pierson
1935 · Fine
€125
John Ruskin
1872 · Fine
€125
J. J. Fahie
1910 · Fine
€80
Arthur B. Curtis
1929 · Fine
€60
Romain Rolland
1918 · Fine
€50
Charles David Hodgman
1916 · Fine
€45
Linnean Society of New South Wales
1882 · Fine
€130
Henry Gray F.R.S., Henry Vandyke Carter
1915 · Fine
€50
Elizabeth Grinnell
1905 · Fine
€85
Jones Quain
1877 · Fine
€80
Felix von Niemeyer
1897 · Fine
€120
Nicolass Muller
1915 · Fine · NL
€35
Robert Michael Ballantyne
1888 · Fine
€295
C. Judson Herrick
1931 · Fine
€55
Tomes, Charles S. Sir
1879 · Fine
€80
Sir Francis Galton
1870 · Fine
€95