William Beebe
1935 · Fine
€115
R. E. Snodgrass, Roger A. Morse
1933 · Fine
€70
British Ornithologists' Union
1868 · Good
€105
Solomon of Akhlat, Anonymous
1890 · Good
€40
British Ornithologists' Union
1907 · Fair
€45
M. Büsgen
1897 · Good
€65
David Beveridge
1892 · Very good
€55
Harriet Mann Miller
1895 · Good
€50
John Ruskin
1878 · Very good
€180
P. Abas
1902 · Good · NL
€70
Stone, Witmer
1905 · Fair
€20
William Yarrell
1855 · Very good
€120
Nuttall, Thomas
1855 · Very good
€155
Elizabeth Grinnell
1905 · Fine
€85
Nuttall, Thomas
1896 · Fair
€55
Neltje Blanchan
1935 · Fair
€65
John Burroughs
1889 · Fine
€235
Ernest Thompson Seton
1923 · Fine
€85
George Bourne
1935 · Very good
€45
Charles Darwin
1910 · Good
€85
Sargent, Charles Sprague
1905 · Good
€20
Alexander Milton Ross
1888 · Very good
€50
Jean-Henri Fabre
1924 · Very good
€65
Harriet Mann Miller
1891 · Fair
€35
Arthur Radclyffe Dugmore
1914 · Very good
€50
John Merle Coulter
1912 · Good
€55
Archibald Thorburn
1935 · Very good
€35
Jones, Thomas Rymer
1879 · Very good
€95
Édouard Jacques Guillaume Everts
1911 · Very good · NL
€85
Harriet Mann Miller
1892 · Very good
€45
Frederick Orpen Bower
1935 · Good
€35
Larry L. Mai
1925 · Very good
€65
Hooker, William Jackson Sir
1881 · Very good
€205
Jan Valckenier Suringar
1935 · Very good · NL
€95
Herman Bakels
1927 · Good · NL
€110
Neltje Blanchan
1906 · Very good
€70
L. Frank Baum
1919 · Good
€30
Arabella B. Buckley
1887 · Good
€45
Grant Allen
1884 · Good
€110
Robert Smythe Hichens
1919 · Very good
€55
W. H. Hudson
1910 · Good
€75
Henry Nicholson Ellacombe
1887 · Very good
€45
Asa Gray
1871 · Very good
€120
H. G. Adams
1863 · Fair
€25
Theun de Vries
1935 · Good · NL
€20
Catherine Parr Traill
1917 · Very good
€25
Ernest Thompson Seton
1905 · Good
€35
Junk, W., firm, publishers.
1935 · Very good · NL
€40
Ernst H. F. Meyer
1864 · Fine
€75
W. H. Hudson
1933 · Very good
€85
Florence Augusta Merriam Bailey
1892 · Fair
€35
W. J. Bean, D. L. Clarke
1921 · Very good
€50
Snyder, Harry
1925 · Good
€20
Clarence E. Edwords
1893 · Very good
€100
Eleanour Sinclair Rohde
1922 · Good
€30
William Borrer
1891 · Fine
€130
Aristophanes
1853 · Very good
€110
Joaquin Miller
1903 · Good
€110
Wilhelm Berg
1880 · Good · NL
€65
J. Haak
1928 · Very good · NL
€30