Gontran de Poncins, Lewis Galantière
1933 · Fair
€40
Klikspaan
1935 · Fair · NL
€35
Mazo de la Roche
1930 · Good
€20
Arthur, comte de Gobineau
1911 · Fair
€30
W. Y. Evans-Wentz
1914 · Very good
€45
Ernest Thompson Seton
1905 · Good
€35
Gerlof van Vloten
1901 · Fair · NL
€15
Jeremiah Curtin
1913 · Good
€20
British Ornithologists' Union
1907 · Fair
€45
R. C. Boer
1926 · Very good · NL
€50
Wissler, Clark
1934 · Very good
€25
Ivo Struyf
1909 · Fine · NL
€40
Barrett Harper Clark, Barrett H. Clark
1935 · Good
€45
Richard Irving Dodge
1902 · Good
€25
G. Hartwig
1900 · Good
€25
O. E. Rølvaag
1928 · Good
€35
Jeremiah Curtin
1935 · Good
€50
Hendrik Blink
1921 · Very good · NL
€30
Alexander Milton Ross
1888 · Very good
€50
Theun de Vries
1935 · Good · NL
€20
Alexander von Humboldt
1853 · Very good
€50
Stijn Streuvels
1912 · Fair · NL
€15
Hariot Hamilton-Temple-Blackwood, Marchioness of Dufferin and Ava, Gladys Chantler (Editor)
1897 · Very good
€45
José Mariano Moziño
1922 · Good
€20
Harriet Mann Miller
1895 · Good
€50
J. P. Kleiweg de Zwaan
1929 · Fair · NL
€35
Daniel Garrison Brinton
1914 · Fair
€35
Paul Louis Mulder
1909 · Good · NL
€45
E. J. Potgieter
1886 · Very good · NL
€45
Marcellus Emants
1904 · Good · NL
€20
P. Verkade
1859 · Good · NL
€45
Theodoor Jorissen
1902 · Good · NL
€30
Alb C. Kruijt
1927 · Very good · NL
€25
Charles Boissevain
1887 · Fair · NL
€35
John Canfield Ewers, John W. Ewers
1913 · Very good
€30
Vilhjalmur Stefansson
1932 · Good
€20
Thorstein Veblen
1921 · Good
€40
Rudyard Kipling
1897 · Very good
€45
Hilaire Belloc
1935 · Good
€45
Multatuli
1867 · Good · NL
€50
Nicolass Muller
1915 · Fine · NL
€35
Euripides
1901 · Good
€20
N. Graafland
1898 · Good · NL
€45
Annie Salomons
1916 · Good · NL
€30
George Alexander Wilken
1914 · Very good · NL
€40
Annie Salomons
1935 · Good · NL
€20
Hermann Schlegel
1905 · Fair · NL
€20
James Fergusson
1892 · Good
€45
Pieter Johannes Veth
1899 · Good · NL
€45
Anatole France
1923 · Fair
€20
Daniel Garrison Brinton
1904 · Very good
€40
Harriet Mann Miller
1892 · Very good
€45
Epictetus
1920 · Good
€20
Lewis Henry Morgan
1887 · Fair
€30
Koninklijk Nederlands Meteorologisch Instituut.
1926 · Good · NL
€30
American Ornithologists' Union.
1901 · Good
€25
Anthonis Duyck
1872 · Good · NL
€40
J. J. van Toorenenbergen
1903 · Fair · NL
€15
John Leslie
1861 · Fair
€50
Ernest Howard Crosby
1913 · Very good
€25