George Bourne
1935 · Very good
€45
Ernst Heinrich Philipp August Haeckel
1900 · Fine
€30
British National Antarctic Expedition (1901-1904)
1912 · Good
€75
Wilbur Pardon Bowen
1935 · Good
€50
Hegner, Robert William
1935 · Very good
€45
William Blair-Bell
1915 · Good
€30
Wouter Hendrik Van Seters
1935 · Good · NL
€50
Charles Darwin
1931 · Good
€55
René Vallery-Radot
1903 · Very good
€35
William Beebe
1935 · Fine
€115
David Beveridge
1892 · Very good
€55
L. H. Bailey
1932 · Good
€20
Jane H. Newell
1899 · Good
€40
William Yarrell
1855 · Very good
€120
Alfred Kaestner
1904 · Very good
€35
Harriet Mann Miller
1891 · Fair
€35
Herbert Spencer
1894 · Very good
€185
Nathaniel Britton
1904 · Fair
€60
Edward Jesse
1862 · Good
€40
H. B. Spotton
1882 · Good
€50
Alphonse de Candolle
1886 · Fine
€100
Étienne Gilson
1935 · Good
€20
John George Wood
1870 · Fair
€40
John Merle Coulter
1912 · Good
€55
George Washington Carey
1921 · Very good
€80
Eduard Strasburger
1899 · Very good
€80
Edwin Checkley
1890 · Good
€50
F. O. Morris
1858 · Very good
€70
Thomas Henry Huxley
1901 · Good
€35
Charles Darwin
1920 · Good
€105
John Elof Boodin
1935 · Fair
€15
Jean Louis Rodolphe Agassiz
1870 · Very good
€70
John Wolley, John Wooley
1899 · Very good
€190
A. Ackerman
1852 · Fair
€35
Alphonso Wood
1877 · Good
€50
Jean Marie Antoine Gevers Leuven
1904 · Good · NL
€20
Samuel Angus
1924 · Good
€75
Ernst H. F. Meyer
1864 · Fine
€75
Frederick Orpen Bower
1919 · Good
€30
Langdon-Brown, Walter Sir
1909 · Good
€40
C. Claus, Carl Friedrich Wilhelm Claus
1883 · Good
€40
Robert Ellis, F.L.S.
1852 · Very good
€110
Alfred Russel Wallace
1907 · Good
€45
W. H. Hudson
1935 · Very good
€25
George Andries Koeze
1935 · Good · NL
€55
Stephen Walter Ranson
1927 · Fair
€40
Peter Kropotkin
1886 · Very good
€60
Jean Louis Rodolphe Agassiz
1884 · Fair
€50
Neltje Blanchan
1906 · Very good
€70
University of Chicago.
1904 · Good
€30
Jabez Hogg
1855 · Good
€70
William Dwight Whitney
1898 · Fair
€35
Charles Darwin
1881 · Fair
€95
Elizabeth Grinnell
1905 · Fine
€85
Charles Kingsley
1858 · Good
€90
Alexander von Humboldt
1876 · Very good
€150
Nuttall, Thomas
1855 · Very good
€155
Stone, Witmer
1905 · Fair
€20
Eleanour Sinclair Rohde
1922 · Good
€30
Alexander Milton Ross
1888 · Very good
€50