John Henry Comstock, Vernon L. Kellogg
1935 · Good
€105
Neltje Blanchan
1906 · Very good
€70
Charles Darwin
1910 · Good
€85
Ernest Thompson Seton
1923 · Fine
€85
Édouard Jacques Guillaume Everts
1911 · Very good · NL
€85
R. E. Snodgrass, Roger A. Morse
1933 · Fine
€70
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
Arabella B. Buckley
1909 · Good
€20
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
Harriet Mann Miller
1892 · Very good
€45
Campbell, Douglas Houghton
1911 · Fair
€25
Clarence E. Edwords
1893 · Very good
€100
Arthur Radclyffe Dugmore
1914 · Very good
€50
W. H. Hudson
1933 · Very good
€85
Alexander Milton Ross
1888 · Very good
€50
Archibald Thorburn
1935 · Very good
€35
Chester A. Reed
1907 · Good
€70
Oliver Davie
1904 · Good
€35
W. H. Hudson
1935 · Very good
€25
Arthur Schopenhauer
1868 · Good
€40
William Yarrell
1855 · Very good
€120
Richard Lydekker
1903 · Good
€60
Nuttall, Thomas
1896 · Fair
€55
Oscar Victor Brumley
1935 · Very good
€55
W. H. Hudson
1935 · Fair
€25
John Ruskin
1879 · Very good
€55
John Ruskin
1878 · Very good
€180
Spencer Fullerton Baird
1910 · Fair
€60
Eduard Daniel van Oort
1922 · Fair · NL
€80
Jameson, James S.
1913 · Good
€90
Junk, W., firm, publishers.
1935 · Very good · NL
€40
Jones, Thomas Rymer
1879 · Very good
€95
John Timbs
1871 · Very good
€70
Edward Jesse
1862 · Good
€40
W. H. Hudson
1935 · Good
€105
Nuttall, Thomas
1855 · Very good
€155
Frank Michler Chapman
1897 · Good
€130
Archibald Rogers
1926 · Good
€25
Charles W. Nash
1902 · Good
€25
G. Hartwig
1900 · Good
€25
Lewis Mumford
1935 · Very good
€25
Thomas Henry Huxley
1904 · Fair
€55
F. O. Morris
1866 · Good
€40
Carolyn Wells, Oliver Herford
1909 · Very good
€85
Aristophanes
1865 · Fair
€85