Peter Kropotkin
1895 · Fair
€35
Francis Clater
1787 · Good
€180
Roy Chapman Andrews
1926 · Good
€25
Jan Casper Schreuder
1930 · Good · NL
€45
Jacob Cornelius van Slee
1892 · Good · NL
€60
Robert Vane Russell
1927 · Good
€60
Hendrik Blink
1925 · Fair · NL
€20
John Stuart Mill
1891 · Very good
€65
Susan Coolidge
1917 · Very good
€65
Elizabeth Grinnell
1905 · Fine
€85
T. Takakura, Tadashi Takakura
1901 · Fair
€40
Marius Kolff
1873 · Good · NL
€100
Susan Fenimore Cooper
1851 · Good
€40
John Burroughs
1905 · Fair
€55
François A. de Garsault
1770 · Good
€510
Charles Fort
1933 · Fair
€35
Charles W. Nash
1902 · Good
€25
Karl Marx, Friedrich Engels
1863 · Very good
€155
C. A. Johns
1870 · Good
€40
Frank Adam
1935 · Good
€55
Frank Michler Chapman
1897 · Good
€130
British Museum (Natural History). Dept . of Zoology, Eugene William Oates
1907 · Very good
€80
Cornelis Lekkerkerker
1935 · Fine · NL
€95
A. J. Downing
1867 · Fair
€75
Booker T. Washington
1919 · Fine
€105
Hermann Schlegel
1858 · Very good · NL
€65
Francis Bacon
1635 · Fair
€320
John Wolley, John Wooley
1899 · Very good
€190
Clara Dillingham Pierson
1935 · Fine
€125
Frances Hodgson Burnett
1879 · Very good
€70
Dorothy Canfield Fisher
1931 · Fine
€35
Hugh Walpole
1929 · Fair
€20
Verney Lovett Cameron, Daniel Oliver
1912 · Good
€25
Harry Castlemon
1870 · Good
€40
Miller, Philip
1740 · Good
€675
Alphonse Daudet, Editions Editions AOJB
1891 · Very good
€100
Julius Berend Cohen
1896 · Fair
€45
Isabella L. Bird
1876 · Fair
€95
Thomas Bulfinch
1886 · Very good
€140
Francis Bacon
1652 · Fair
€1,480
Étienne Gilson
1935 · Good
€20
British Ornithologists' Union
1868 · Good
€105
Samuel Taylor Coleridge
1810 · Good
€310
T. L. Pennell, Field Marshal Earl Roberts
1920 · Fine
€65
Sanborn Tenney
1881 · Very good
€70
John Ruskin
1888 · Very good
€70
John Ruskin
1878 · Very good
€180
Francis Polkinghorne Pascoe
1879 · Very good
€190
Laura Ingalls Wilder
1935 · Good
€25
Steven Blankaart
1726 · Good · NL
€370
Frederick Orpen Bower, Sydney Howard Vines
1903 · Fair
€45
Carolyn Wells, Oliver Herford
1909 · Very good
€85
Alpheus S. Packard
1904 · Good
€25
Jameson, James S.
1913 · Good
€90
Kenneth Grahame
1935 · Good
€20
Otto van Rees
1857 · Very good · NL
€95
Charles Colcock Jones
1892 · Very good
€50
Sir Humphry Davy
1827 · Good
€85
Abraham Kuyper
1869 · Very good · NL
€165
United States. Bureau of Animal Industry
1914 · Fair
€40