Alfred Ollivant, Adrian Bradbury
1935 · Fair
€15
Oscar Victor Brumley
1935 · Very good
€55
Ernest Thompson Seton
1923 · Fine
€85
Ludwig Bemelmans
1927 · Good
€20
Thornton W. Burgess, Harrison Cady
1935 · Good
€50
Mark Twain
1913 · Very good
€85
Ferenc Hutyra
1916 · Good
€40
Stone, Witmer
1905 · Fair
€20
Neltje Blanchan
1935 · Fair
€65
Dillon Wallace
1919 · Very good
€85
Charles Kirk
1918 · Fair
€65
George Bourne
1935 · Very good
€45
Ellis Parker Butler
1935 · Very good
€115
Francis Thompson, Thomas Bird Mosher
1923 · Good
€70
Chester A. Reed
1907 · Good
€70
Thornton W. Burgess, George Kerr
1925 · Very good
€125
Frederick Smith
1935 · Good
€45
Arthur Cleveland Bent
1935 · Very good
€25
J. Arthur Thomson
1909 · Fine
€45
Archibald Thorburn
1935 · Very good
€35
Richard Lydekker
1903 · Good
€60
J. H. Walsh
1922 · Very good
€115
British Ornithologists' Union
1907 · Fair
€45
Carolyn Wells, Oliver Herford
1909 · Very good
€85
Charles W. Nash
1902 · Good
€25
Ernest Thompson Seton
1905 · Fair
€15
W. H. Hudson
1935 · Good
€30
Jack London
1922 · Fair
€35
W. H. Hudson
1910 · Good
€75
Arthur Radclyffe Dugmore
1914 · Very good
€50
W. H. Hudson
1935 · Very good
€25
Neltje Blanchan
1906 · Very good
€70
Edward Carpenter
1919 · Good
€55
W. H. Hudson
1933 · Very good
€85
Henry Herbert Donaldson
1935 · Good
€20
Brooke, Rupert
1935 · Fair
€20
Harriet Mann Miller
1901 · Fine
€70
Claude Phillips
1935 · Good
€30
W. H. Hudson
1915 · Good
€50
Spencer Fullerton Baird
1910 · Fair
€60
Hermann Schlegel
1905 · Fair · NL
€20
Jan Jacob Bruins
1935 · Very good · NL
€45
L. A. Borradaile
1935 · Good
€20
Alfred Kaestner
1904 · Very good
€35
Archibald Rogers
1926 · Good
€25
Marjorie Flack
1900 · Good
€35
Martin Hiesemann
1924 · Good
€20
H. G. Wells
1919 · Fine
€35
United States. Bureau of Animal Industry
1927 · Very good
€70
Snyder, Harry
1925 · Good
€20
Bradley M. Patten
1920 · Good
€30
Richard Thayer Holbrook
1919 · Very good
€70
Joaquin Miller
1903 · Good
€110
Eduard Daniel van Oort
1922 · Fair · NL
€80
Victor Gage Kimball
1935 · Fine
€70
Rudyard Kipling
1935 · Very good
€25
William Macmichael
1920 · Fair
€15
Theun de Vries
1935 · Good · NL
€20
Arabella B. Buckley
1909 · Good
€20
Beatrix Potter, Colin Twinn
1912 · Good
€60