Peter Kropotkin
1931 · Very good
€60
Paul Louis Mulder
1909 · Good · NL
€45
John George Wood
1886 · Fine
€105
Robert Tressell
1917 · Good
€30
Gene Stratton-Porter
1921 · Very good
€55
George J. Engelmann
1927 · Fair
€35
Neltje Blanchan
1906 · Very good
€70
Clarence E. Edwords
1893 · Very good
€100
Charles Darwin
1931 · Good
€55
Albertus Johannes Roijaards
1897 · Very good · NL
€80
Thomas Hardy
1878 · Very good
€70
L. H. Bailey, Liberty H. Bailey
1935 · Good
€20
Peter Kropotkin
1893 · Good
€90
Kate Douglas Smith Wiggin
1903 · Good
€25
H. Rider Haggard
1902 · Good
€30
Thomas McIlwraith
1903 · Very good
€45
Hermann Wätjen
1927 · Very good · NL
€50
J. Forsyth
1872 · Good
€35
Grant Allen
1884 · Very good
€45
John Merle Coulter
1912 · Good
€55
Charles Wardell Stiles
1914 · Fair
€25
Edward Hamilton Aitken
1881 · Good
€105
Walt Whitman
1864 · Very good
€45
Édouard Jacques Guillaume Everts
1911 · Very good · NL
€85
Junk, W., firm, publishers.
1935 · Very good · NL
€40
Annie Salomons
1935 · Good · NL
€20
Robert Michael Ballantyne, George Caleb Bingham
1882 · Very good
€155
Dirk Hudig
1908 · Very good · NL
€25
Margaret Sidney
1884 · Good
€65
Asa Gray
1881 · Good
€65
Peter Kropotkin
1895 · Fair
€35
Roy Chapman Andrews
1926 · Good
€25
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
Elizabeth Grinnell
1905 · Fine
€85
T. Takakura, Tadashi Takakura
1901 · Fair
€40
Marius Kolff
1873 · Good · NL
€100
Charles W. Nash
1902 · Good
€25
Karl Marx, Friedrich Engels
1863 · Very good
€155
Frank Michler Chapman
1897 · Good
€130
Cornelis Lekkerkerker
1935 · Fine · NL
€95
Booker T. Washington
1919 · Fine
€105
Hermann Schlegel
1858 · Very good · NL
€65
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
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
Étienne Gilson
1935 · Good
€20
British Ornithologists' Union
1868 · Good
€105
T. L. Pennell, Field Marshal Earl Roberts
1920 · Fine
€65
John Ruskin
1888 · Very good
€70
John Ruskin
1878 · Very good
€180
Laura Ingalls Wilder
1935 · Good
€25
Carolyn Wells, Oliver Herford
1909 · Very good
€85