Christiaan Lodewijk Houthuysen
1930 · Good · NL
€30
J. Reynolds Green
1916 · Fair
€20
Carlton C. Curtis
1907 · Fine
€50
Adolf Engler
1917 · Good
€25
Julie Hoek
1930 · Very good · NL
€35
Frank Hall Thorp
1906 · Good
€25
Alpheus S. Packard
1904 · Good
€25
Catherine Parr Traill, Agnes Chamberlin
1923 · Good
€25
William Morris
1900 · Good
€30
Eugène Pittard
1926 · Good
€20
Clara Dillingham Pierson
1900 · Very good
€50
Martin Klopstock
1911 · Good
€35
Charles Fort
1933 · Fair
€35
Burnett Hillman Streeter, R. Brook
1919 · Fair
€15
Charles G. D. Roberts
1906 · Good
€30
Karel Wessel van Gorkom
1935 · Fair · NL
€20
Nederlandse Mycologische Vereniging
1918 · Fair · NL
€15
Nathaniel Southgate Shaler
1915 · Fair
€30
Thomas Henry Huxley
1889 · Fair
€30
Abraham Kuyper
1935 · Very good · NL
€50
Worthington Hooker
1906 · Very good
€30
Pieter Hendrik van der Kemp
1935 · Good · NL
€20
Arthur Clutton-Brock
1935 · Good
€20
Robert W. Service
1909 · Very good
€40
Jan Casper Schreuder
1930 · Good · NL
€45
Lydia Maria Child
1855 · Fair
€40
James M. Macoun
1898 · Fair
€30
Herman Gorter
1935 · Very good · NL
€40
Comstock, George C.
1923 · Fair
€15
Dock, Lavinia L.
1905 · Good
€20
Sir Francis Galton
1923 · Good
€20
Roger Eliot Fry
1931 · Very good
€30
Iwan Bloch, Richard Deniston
1901 · Very good
€25
Louis Couperus
1906 · Very good · NL
€50
Friedrich Fröbel
1913 · Good
€20
Ralph W. G. Wyckoff
1935 · Very good
€30
Peter Willem Hendrik Truyen
1901 · Fair · NL
€15
William Yarrell
1882 · Good
€45
J. Ross Robertson
1927 · Fair
€15
Miller, William J.
1935 · Fair
€20
Plato
1917 · Good
€30
G. A. Henty
1909 · Very good
€25
W. W. Rouse Ball
1935 · Fair
€15
Henry Watts
1893 · Good
€35
Petrus Johannes Blok
1914 · Good · NL
€40
William Kingdon Clifford
1914 · Fair
€35
Walter W. Bryant
1907 · Good
€25
Arnold Henry Guyot
1850 · Fair
€35
G. Wisse
1908 · Very good · NL
€30
Frederick Courteney Selous
1885 · Good
€50
J. A. Dubois
1902 · Very good
€25
Ernest Thompson Seton
1912 · Fair
€25
E. V. Lucas
1924 · Good
€20
J. van Lennep
1918 · Good · NL
€35
Catherine Parr Traill
1900 · Very good
€50
Freda Dinn
1903 · Very good
€35
P. L. Verhulst
1935 · Fair · NL
€15
Louis Couperus
1904 · Very good · NL
€25
F. Pijper
1915 · Very good · NL
€40
John Couch Adams, J. W. L. Glaisher
1903 · Good
€30