Library of Congress. Classification Division.
1906 · Buono
20 €
Alphonso Wood
1877 · Buono
50 €
Frank E. Beddard
1902 · Molto buono
25 €
Adolf Engler
1917 · Buono
25 €
American Ornithologists' Union.
1901 · Buono
25 €
Eugène Pittard
1926 · Buono
20 €
Jean-Jacques Rousseau
1927 · Ottimo
30 €
Jean Louis Rodolphe Agassiz
1884 · Discreto
50 €
Robert Brown, John Joseph Bennett
1873 · Buono
40 €
Alfred L. Loomis
1877 · Buono
50 €
Edward Livingston Youmans
1896 · Buono
50 €
Herbert French
1914 · Buono
20 €
J. J. Graham Brown
1901 · Molto buono
50 €
Thomas Henry Huxley
1889 · Discreto
30 €
Samuel Colman, Samuel Colman
1935 · Buono
30 €
Klikspaan
1935 · Discreto · NL
35 €
I. F. Henderson
1926 · Molto buono
40 €
Arthur A. Noyes
1935 · Buono
20 €
Richard C. Cabot
1908 · Buono
40 €
University of Chicago. Press.
1913 · Buono
50 €
J. Arthur Thomson
1909 · Ottimo
45 €
John Palliser
1862 · Buono
35 €
Martin Klopstock
1911 · Buono
35 €
Grant Allen
1884 · Molto buono
45 €
Edwin Checkley
1890 · Buono
50 €
Victor Ernest Shelford
1935 · Discreto
20 €
Frederick Orpen Bower, Sydney Howard Vines
1903 · Discreto
45 €