Ernest Thompson Seton
1929 · Fine
€35
Stone, Witmer
1905 · Fair
€20
Eadweard Muybridge, University of Pennsylvania
1891 · Good
€35
George Bourne
1935 · Very good
€45
W. H. Hudson
1935 · Very good
€25
W. H. Hudson
1935 · Good
€30
Victor Ernest Shelford
1935 · Fair
€20
Arthur Cleveland Bent
1935 · Very good
€25
Charles G. D. Roberts
1923 · Very good
€25
Edward Jesse
1862 · Good
€40
Ferenc Hutyra
1916 · Good
€40
Gelett Burgess
1900 · Fair
€50
Ernest Thompson Seton
1905 · Fair
€15
George Fleming
1898 · Good
€50
Frederick Smith
1935 · Good
€45
W. H. Hudson
1901 · Good
€25
Ernest Thompson Seton
1912 · Fair
€25
Walter B. Cannon
1931 · Good
€20
Beatrix Potter
1912 · Good
€35
United States. Bureau of Animal Industry
1914 · Fair
€40
Kenneth Grahame
1935 · Good
€20
George Fleming
1883 · Fair
€45
J. Arthur Thomson
1909 · Fine
€45
British Ornithologists' Union
1907 · Fair
€45
Étienne Gilson
1935 · Good
€20
Digby Collins
1878 · Good
€45
Thornton W. Burgess, Maddie Frost
1918 · Fair
€20
L. A. Borradaile
1935 · Good
€20
Henry Herbert Donaldson
1935 · Good
€20
Rudolf Těsnohlídek
1923 · Very good
€35
Marshall Saunders
1928 · Very good
€50
Thornton W. Burgess
1921 · Very good
€35
F. Matthias Alexander
1935 · Fine
€35
Gilman Arthur Drew
1921 · Very good
€35
James Law, James Law - undifferentiated
1904 · Fine
€35
Grace Greenwood
1867 · Good
€50
Thornton W. Burgess, Maddie Frost
1931 · Fair
€15
John Reid Muir
1930 · Good
€45
Willem Theodoor Vrolik
1870 · Fair · NL
€30
Doreen Cronin, Betsy Lewin
1935 · Good
€20
Edwin Checkley
1890 · Good
€50
Florence Augusta Merriam Bailey
1892 · Fair
€35
Harriet Mann Miller
1891 · Fair
€35
Ludwig Bemelmans
1927 · Good
€20
Thomas Henry Huxley
1889 · Fair
€30
Louis Figuier
1884 · Good
€45
Arabella B. Buckley
1909 · Good
€20
B. A. Bensley
1935 · Very good
€40
Frank E. Beddard
1902 · Very good
€25
Joseph Le Conte
1928 · Very good
€30
Neltje Blanchan
1898 · Fair
€30
C. Claus, Carl Friedrich Wilhelm Claus
1883 · Good
€40
Charles W. Nash
1902 · Good
€25
Margery Williams Bianco
1935 · Good
€20
Thompson, D'Arcy Wentworth
1931 · Fine
€35
Bradley M. Patten
1920 · Good
€30
Jean Pauline Smith
1935 · Very good
€25
Harriet Mann Miller
1895 · Good
€50
Rudyard Kipling
1901 · Very good
€50
Mabel Osgood Wright
1903 · Good
€40