Annie Salomons
1935 · Good · NL
€20
Campbell, Douglas Houghton
1911 · Fair
€25
Frans Verschoren
1913 · Good · NL
€20
Willem Kloos
1920 · Fair · NL
€50
Jules Verne
1888 · Very good
€50
Hélène Swarth
1904 · Fair · NL
€15
Marcellus Emants
1900 · Very good · NL
€25
Marcellus Emants
1904 · Good · NL
€20
John Francis Campbell
1865 · Good
€50
Jules Verne
1920 · Good
€35
C. A. Johns
1870 · Good
€40
Eugen Horn
1900 · Good · NL
€50
Owen Johnson
1920 · Good
€25
Henry William Herbert
1850 · Fair
€45
Theun de Vries
1935 · Good · NL
€20
British Ornithologists' Union
1907 · Fair
€45
Doreen Cronin, Betsy Lewin
1935 · Good
€20
Annie Salomons
1923 · Very good · NL
€25
Henry White Warren
1901 · Good
€45
Zane Grey
1927 · Good
€20
Klikspaan
1935 · Fair · NL
€35
Henry Watts
1893 · Good
€35
Lewis Mumford
1935 · Very good
€25
Garrett Putman Serviss
1913 · Good
€35
A. Bernthsen
1923 · Very good
€25
Marcellus Emants
1889 · Fair · NL
€40
Jules Verne
1884 · Very good
€45
Florence Augusta Merriam Bailey
1892 · Fair
€35
William Tyler Olcott
1935 · Fair
€15
F. Max Müller
1884 · Good
€40
J. van Lennep
1902 · Good · NL
€30
Jens Peter Jacobsen
1892 · Good
€45
E. W. Hornung
1935 · Very good
€35
Susan Warner, Frederick Dielman
1869 · Good
€45
William A. Alcott
1887 · Fair
€40
Francis Henry Williams
1910 · Fair
€50
I. F. Henderson
1926 · Very good
€40
Frederik van Eeden
1935 · Good · NL
€35
Antoni Christiaan Winand Staring
1900 · Fine · NL
€30
Freda Dinn
1903 · Very good
€35
Mabel Osgood Wright
1903 · Good
€40
John Burroughs
1894 · Good
€45
Arthur Machen
1929 · Good
€35
Herman Gorter
1935 · Very good · NL
€40
John Ruskin
1906 · Good
€40
Adolf Engler
1917 · Good
€25
Florence Bass
1894 · Very good
€45
Heindel, Max, Max Heindel
1918 · Very good
€30
John Ruskin
1912 · Fair
€30
Agnes C. Laut
1903 · Fair
€50
O. E. Rølvaag
1928 · Good
€35
Nederlandse Mycologische Vereniging
1918 · Fair · NL
€15
Stijn Streuvels
1912 · Fair · NL
€15
Hélène Swarth
1921 · Good · NL
€30
Alexander Milton Ross
1888 · Very good
€50
Josiah Parsons Cooke Jr.
1890 · Good
€45
Pierre Louÿs
1917 · Fair
€20
Archibald Thorburn
1935 · Very good
€35
Susan Fenimore Cooper
1851 · Good
€40
Simon Newcomb
1917 · Good
€20