Eduard Strasburger
1935 · Fine
€45
Eduard Strasburger
1899 · Very good
€80
Asa Gray
1870 · Very good
€90
Sachs, Julius
1902 · Fine
€80
Asa Gray
1893 · Very good
€155
James M. Macoun
1919 · Very good
€45
Asa Gray
1871 · Very good
€120
Neltje Blanchan
1906 · Very good
€70
Hooker, William Jackson Sir
1881 · Very good
€205
Ernst H. F. Meyer
1864 · Fine
€75
Francis Beaumont
1867 · Very good
€70
Eduard Strasburger
1924 · Fine
€40
Charles-François Brisseau de Mirbel
1863 · Very good
€140
J. Haak
1928 · Very good · NL
€30
Alexander von Humboldt
1876 · Very good
€150
John Ruskin
1895 · Very good
€145
G. J. Filet
1872 · Fine · NL
€95
Heindel, Max, Max Heindel
1918 · Very good
€30
David Prescott Barrows, Harry W. Lawton
1913 · Fine
€70
Arthur Robert Harding
1930 · Very good
€75
Henry Nicholson Ellacombe
1887 · Very good
€45
Ira Remsen
1888 · Very good
€120
John Ruskin
1908 · Very good
€100
Robert Ellis, F.L.S.
1852 · Very good
€110
John Merle Coulter
1915 · Very good
€40
W. J. Bean, D. L. Clarke
1921 · Very good
€50
Alphonse de Candolle
1886 · Fine
€100
Jesse Feiring Williams
1924 · Fine
€35
Florence Bass
1894 · Very good
€45
James Martineau
1923 · Fine
€40
Hammarsten, Olof
1894 · Very good
€110
John Neill
1853 · Very good
€95
Joseph Bonomi
1890 · Very good
€160
Edward Tuckerman
1910 · Very good
€100
Arthur van Schendel
1921 · Fine · NL
€35
Grant Allen
1884 · Very good
€45
John Ruskin
1924 · Fine
€105
Barton Cooke Hirst
1923 · Very good
€70
Denison Olmsted
1880 · Very good
€135
Niels Rasmussen Søkilde
1920 · Very good · NL
€100
John Ruskin
1888 · Very good
€70
James Parkinson
1858 · Very good
€55
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
E. L. Jackson
1935 · Very good
€45
Jean-Jacques Rousseau
1927 · Fine
€30
A. Privat-Deschanel
1875 · Very good
€80
Pieter Cornelis Boutens
1916 · Very good · NL
€35
Jones, Thomas Rymer
1879 · Very good
€95
A. Kuyper
1931 · Very good · NL
€55
Jan Valckenier Suringar
1935 · Very good · NL
€95
John Timbs
1871 · Very good
€70
Henry Paul Talbot
1932 · Fine
€55
Lewis Mumford
1935 · Very good
€25
Charles John Holmes
1935 · Very good
€35
George Washington Carey
1921 · Very good
€80
Édouard Jacques Guillaume Everts
1911 · Very good · NL
€85
George Brant Bridgman
1920 · Very good
€45
W. Brennand
1903 · Very good
€70
Jean-Henri Fabre
1924 · Very good
€65
Marcellus Emants
1889 · Very good · NL
€165