John Henry Comstock, Vernon L. Kellogg
1935 · Good
€105
Charles Darwin
1910 · Good
€85
Neltje Blanchan
1906 · Very good
€70
R. E. Snodgrass, Roger A. Morse
1933 · Fine
€70
Arabella B. Buckley
1909 · Good
€20
Jameson, James S.
1913 · Good
€90
Karel Čapek, Josef Čapek
1935 · Fine
€65
Ernest Thompson Seton
1923 · Fine
€85
Édouard Jacques Guillaume Everts
1911 · Very good · NL
€85
Harriet Mann Miller
1895 · Good
€50
British Ornithologists' Union
1868 · Good
€105
Harriet Mann Miller
1891 · Fair
€35
Jean-Henri Fabre
1924 · Very good
€65
F. O. Morris
1858 · Very good
€70
Harriet Mann Miller
1901 · Fine
€70
H. G. Adams
1863 · Fair
€25
British Ornithologists' Union
1907 · Fair
€45
Arabella B. Buckley
1887 · Good
€45
Jonathan Dwight
1905 · Very good
€120
Neltje Blanchan
1935 · Fair
€65
Harriet Mann Miller
1933 · Very good
€45
Martin Hiesemann
1924 · Good
€20
David Beveridge
1892 · Very good
€55
Charles Kirk
1918 · Fair
€65
Rubert W. Boyce
1920 · Very good
€25
John Burroughs
1889 · Fine
€235