D. Embden
1902 · Very good · NL
€30
Campbell, Douglas Houghton
1911 · Fair
€25
Edwin Checkley
1890 · Good
€50
David Beveridge
1892 · Very good
€55
Chauveau, A.
1873 · Good
€70
Florence Augusta Merriam Bailey
1892 · Fair
€35
G. A. Henty
1898 · Very good
€105
Chester A. Reed
1907 · Good
€70
John Merle Coulter
1912 · Good
€55
Nicolass Muller
1915 · Fine · NL
€35
Comyns Berkeley, Victor Bonney
1913 · Good
€35
Edward Hamilton Aitken
1881 · Good
€105
Elisha J. Lewis
1857 · Good
€75
Hendrik Pieter Marchant
1897 · Very good · NL
€100
C. J. Maynard
1885 · Good
€35
British Ornithologists' Union
1868 · Good
€105
August Neander
1872 · Fine
€105
Eduard Daniel van Oort
1922 · Fair · NL
€80
John Ruskin
1879 · Very good
€55
Hegner, Robert William
1935 · Very good
€45
Hermann Schlegel
1858 · Very good · NL
€65
John Merle Coulter
1915 · Very good
€40
Charles Hamilton Smith
1850 · Very good
€60
Charles Darwin
1881 · Fair
€95
Paul Friedmann
1901 · Good
€70
Alfred Kaestner
1904 · Very good
€35
Arthur van Schendel
1921 · Fine · NL
€35
Lawson Tait
1926 · Good
€40
Pieter Joseph Cruse
1911 · Fine · NL
€30
Stijn Streuvels
1912 · Fair · NL
€15
Stijn Streuvels
1912 · Good · NL
€65
Neltje Blanchan
1906 · Very good
€70
George Fleming
1890 · Very good
€105
M. Büsgen
1897 · Good
€65
William Borrer
1891 · Fine
€130
Thomas Henry Huxley
1904 · Fair
€55
Harriet Mann Miller
1891 · Fair
€35
William Blair-Bell
1915 · Good
€30
Justus von Liebig
1856 · Fair
€70
F. O. Morris
1866 · Good
€40
Stone, Witmer
1905 · Fair
€20
Richard Lydekker
1903 · Good
€60
George Fleming
1913 · Very good
€25
Dadd, George H.
1858 · Good
€40
Rudyard Kipling
1897 · Very good
€45
Spencer Fullerton Baird
1910 · Fair
€60
Albertus Johannes Roijaards
1897 · Very good · NL
€80
Nuttall, Thomas
1855 · Very good
€155
Charles Swainson
1886 · Fair
€80
Jeremiah Curtin
1907 · Good
€35
Digby Collins
1878 · Good
€45
Rowland Ward
1935 · Good
€25
Peter Kropotkin
1895 · Fair
€35
Rudolf Těsnohlídek
1923 · Very good
€35
Elliott Coues
1883 · Good
€135
Johan de Vries van Doesburgh
1893 · Very good · NL
€45
Frederick Orpen Bower
1919 · Good
€30
J. Haak
1928 · Very good · NL
€30
Junk, W., firm, publishers.
1935 · Very good · NL
€40
O. E. Rølvaag
1928 · Good
€35