Charles Darwin
1909 · Fine
€90
Carlton C. Curtis
1907 · Fine
€50
Thompson, D'Arcy Wentworth
1931 · Fine
€35
J. Arthur Thomson
1909 · Fine
€45
Salisbury, Rollin D.
1909 · Fine
€65
Alfred Russel Wallace
1935 · Fine
€35
Arthur van Schendel
1921 · Fine · NL
€35
Nicolass Muller
1915 · Fine · NL
€35
Elizabeth Grinnell
1905 · Fine
€85
F. Matthias Alexander
1935 · Fine
€35
Emile Ferrière
1909 · Fine · NL
€115
Sachs, Julius
1902 · Fine
€80
James Whitcomb Riley
1911 · Fine
€125
H. Newell Martin
1903 · Fine
€40
Iwan Bloch, James Bruce
1905 · Fine
€95
Uspenskiĭ Petr Demʹi͡anovich
1935 · Fine
€95
Eduard Strasburger
1924 · Fine
€40
Harriet Mann Miller
1901 · Fine
€70
Yogananda Paramahansa
1931 · Fine
€125
Eduard Strasburger
1935 · Fine
€45
Elias Loomis
1902 · Fine
€55
Ernest Thompson Seton
1929 · Fine
€35
Frederick Soddy
1935 · Fine
€30
J. Greig Smith
1900 · Fine
€120
Abraham Kuyper
1914 · Fine · NL
€140
C. Judson Herrick
1931 · Fine
€55
William Beebe
1935 · Fine
€115
Romain Rolland
1918 · Fine
€50
Joris-Karl Huysmans
1902 · Fine
€85
Antoni Christiaan Winand Staring
1900 · Fine · NL
€30
Hilaire Belloc
1929 · Fine
€35
Alpheus S. Packard
1906 · Fine
€100
Ernst Heinrich Philipp August Haeckel
1900 · Fine
€30
Charles Almanzo Babcock
1935 · Fine
€75
Carl David Tolmé Runge
1916 · Fine
€50
Jesse Feiring Williams
1924 · Fine
€35
Ernest Thompson Seton
1923 · Fine
€85
Abraham Kuyper
1911 · Fine · NL
€30
Inge, William Ralph
1926 · Fine
€50
Workman, Herbert B.
1913 · Fine
€55
Morris Raphael Cohen
1935 · Fine
€35
James George Frazer
1935 · Fine
€140
John Ruskin
1924 · Fine
€105
Leander Sylvester Keyser
1907 · Fine
€70
Edward Carpenter
1904 · Fine
€90
Stella Benson
1925 · Fine
€150
Robert Jacobus Fruin
1928 · Fine · NL
€55
J. Th Ubbink
1933 · Fine · NL
€95
Alexis Thomson
1912 · Fine
€30
John Dewey
1910 · Fine
€30
Gilbert Keith Chesterton, Catholic Way Publishing Staff
1913 · Fine
€35
George Barker Stevens
1930 · Fine
€60
Diana Clifford Kimber
1903 · Fine
€155
Theodore Shennan
1912 · Fine
€45
Luther Burbank
1935 · Fine
€65
Edward Bernard Koster
1916 · Fine · NL
€90
Emanuel Hiel
1901 · Fine · NL
€130
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
John Galsworthy
1935 · Fine
€105
James Martineau
1923 · Fine
€40