Library of Congress. Classification Division.
1906 · Good
€20
Alphonso Wood
1877 · Good
€50
Frank E. Beddard
1902 · Very good
€25
Adolf Engler
1917 · Good
€25
Eugène Pittard
1926 · Good
€20
American Ornithologists' Union.
1901 · Good
€25
Alfred L. Loomis
1877 · Good
€50
Edward Livingston Youmans
1896 · Good
€50
Herbert French
1914 · Good
€20
J. J. Graham Brown
1901 · Very good
€50
Thomas Henry Huxley
1889 · Fair
€30
Samuel Colman, Samuel Colman
1935 · Good
€30
Klikspaan
1935 · Fair · NL
€35
I. F. Henderson
1926 · Very good
€40
Arthur A. Noyes
1935 · Good
€20
Richard C. Cabot
1908 · Good
€40
University of Chicago. Press.
1913 · Good
€50
J. Arthur Thomson
1909 · Fine
€45
John Palliser
1862 · Good
€35
Martin Klopstock
1911 · Good
€35
Grant Allen
1884 · Very good
€45
Edwin Checkley
1890 · Good
€50
Victor Ernest Shelford
1935 · Fair
€20
Frederick Orpen Bower, Sydney Howard Vines
1903 · Fair
€45
Arthur Penrhyn Stanley
1883 · Fair
€30
C. J. Maynard
1885 · Good
€35
Rabindranath Tagore
1917 · Very good
€35
Edwin Emery Slosson
1935 · Fair
€25
A. Rosengarten
1897 · Fair
€35
Martin Robison Delany
1865 · Good
€40
H. G. Wells
1929 · Very good
€25
Arabella B. Buckley
1887 · Good
€45
Jean-Jacques Rousseau
1927 · Fine
€30
Edward Carpenter
1906 · Good
€25
Campbell, Douglas Houghton
1911 · Fair
€25
Wilbur Pardon Bowen
1935 · Good
€50
A. Ansted
1906 · Very good
€45
Pietro Blaserna
1922 · Good
€20
H. G. Wells
1911 · Very good
€40
Hutchison, Robert Sir, H. Stansfield Collier
1929 · Fair
€20
Garrett Putman Serviss
1907 · Fair
€30
R. G. Collingwood
1929 · Good
€35
Arthur Wesley Dow
1935 · Good
€25
Frederick Orpen Bower
1935 · Good
€35
Abraham Flexner
1920 · Very good
€30
Gilbert Keith Chesterton
1935 · Fair
€35
Alfred Russel Wallace
1907 · Good
€45
Eskelhoff Carsjen Gravemeijer
1902 · Good · NL
€30
Alexander Jamieson
1853 · Very good
€45
Anthony Rich
1899 · Fair
€30
Clara Erskine Clement Waters
1879 · Good
€50
Howell, Thomas
1909 · Very good
€30
Solomon of Akhlat, Anonymous
1890 · Good
€40
John George Wood
1870 · Fair
€40
Charles Benedict Davenport
1935 · Fair
€45
B. Bymholt
1896 · Good · NL
€45
E. B. Jamieson
1935 · Good
€40
British Ornithologists' Union
1907 · Fair
€45
Louis Figuier
1871 · Fair
€30
Edward Jesse
1862 · Good
€40