Victor Ernest Shelford
1935 · Fair
€20
Stone, Witmer
1905 · Fair
€20
George Bourne
1935 · Very good
€45
Eadweard Muybridge, University of Pennsylvania
1891 · Good
€35
Ernest Thompson Seton
1929 · Fine
€35
Ferenc Hutyra
1916 · Good
€40
L. A. Borradaile
1935 · Good
€20
Willem Theodoor Vrolik
1870 · Fair · NL
€30
Ernest Thompson Seton
1905 · Fair
€15
Frederick Smith
1935 · Good
€45
Dadd, George H.
1858 · Good
€40
J. Arthur Thomson
1909 · Fine
€45
Grace Greenwood
1867 · Good
€50
Charles Wardell Stiles
1914 · Fair
€25
George Fleming
1898 · Good
€50
British Ornithologists' Union
1907 · Fair
€45
United States. Bureau of Animal Industry
1914 · Fair
€40
Hegner, Robert William
1935 · Very good
€45
Margery Williams Bianco
1935 · Good
€20
Alfred Kaestner
1904 · Very good
€35
Bradley M. Patten
1920 · Good
€30
Gilman Arthur Drew
1921 · Very good
€35
Harriet Mann Miller
1891 · Fair
€35
George Fleming
1883 · Fair
€45
Doreen Cronin, Betsy Lewin
1935 · Good
€20
Arthur Cleveland Bent
1935 · Very good
€25
Rudyard Kipling
1935 · Very good
€25
W. H. Hudson
1901 · Good
€25
Rabindranath Tagore
1917 · Very good
€35
Cassius Jackson Keyser
1935 · Good
€50
Thorstein Veblen
1921 · Good
€40
Étienne Gilson
1935 · Good
€20
W. H. Hudson
1935 · Very good
€25
Henry Herbert Donaldson
1935 · Good
€20
William Macmichael
1920 · Fair
€15
Thomas Henry Huxley
1889 · Fair
€30
Alpheus S. Packard
1904 · Good
€25
Digby Collins
1878 · Good
€45
Edward Jesse
1862 · Good
€40
Arabella B. Buckley
1909 · Good
€20
Snyder, Harry
1925 · Good
€20
Mabel Osgood Wright
1903 · Good
€40
Samuel Colman, Samuel Colman
1935 · Good
€30
W. H. Hudson
1935 · Good
€30
Archibald Rogers
1926 · Good
€25
F. Matthias Alexander
1935 · Fine
€35
Arthur Radclyffe Dugmore
1914 · Very good
€50
Thomas Henry Huxley, James Paradis
1935 · Very good
€25
C. Claus, Carl Friedrich Wilhelm Claus
1883 · Good
€40
James Law, James Law - undifferentiated
1904 · Fine
€35
Tito Vignoli
1885 · Good
€50
Ernest Thompson Seton
1912 · Fair
€25
Three Initiates
1928 · Good
€20
W. Hamilton Gibson
1914 · Fair
€15
Wilbur Pardon Bowen
1935 · Good
€50
Beatrix Potter
1912 · Good
€35
William Yarrell
1882 · Good
€45
Benedictus de Spinoza
1909 · Good
€30
William Walker Atkinson
1909 · Good
€35
Charles G. D. Roberts
1923 · Very good
€25