Stephen Leacock
1932 · Good
€25
Oluf Winge
1899 · Very good · NL
€110
Richard A. Proctor
1868 · Fair
€105
British Museum (Natural History). Dept. of Mineralogy.
1916 · Good
€60
Stefan Zweig
1935 · Good
€35
Abbie Farwell Brown
1904 · Very good
€35
G.W. Van Vierssen Trip
1933 · Good · NL
€70
Uspenskiĭ Petr Demʹi͡anovich
1935 · Fine
€95
Mark Twain
1917 · Fine
€100
William Chase Stevens
1909 · Good
€20
Brooks Adams
1897 · Fine
€190
Sir Robert Stawell Ball
1920 · Fair
€15
Pieter Scheltema
1870 · Good · NL
€55
Walter Bagehot
1886 · Fair
€75
Robley Dunglison
1858 · Good
€70
Nederlandsche Entomologische Vereeniging
1889 · Very good · NL
€90
Jules Verne
1888 · Very good
€50
Arthur van Schendel
1909 · Fair · NL
€45
René Descartes
1860 · Fair
€55
Christopher J. Lote, C.J. Lote
1899 · Fair
€95
Jean Louis Rodolphe Agassiz
1855 · Fine
€150
Richard Hakluyt
1869 · Good
€40
Engelbertus Eliza Willem Gerards Schröder
1917 · Very good · NL
€70
E. A. Wallis Budge
1901 · Good
€40
Erwin Rohde
1902 · Fair
€15
Jacobus Heinsius
1887 · Fine · NL
€80
E. B. Jamieson
1914 · Fine
€40
C. Poensen
1902 · Fair · NL
€75
John Brown
1864 · Good
€120
Sophocles
1859 · Fair
€65
Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
Bavinck, Herman
1925 · Very good · NL
€25
Guillaume Groen van Prinsterer
1868 · Very good · NL
€70
Mary Greer Conklin
1923 · Fine
€40
Werner Haftmann
1935 · Very good
€35
George Frederick Kunz
1935 · Very good
€40
Ernst Heinrich Philipp August Haeckel
1903 · Good
€20
Serpa Pinto, Alfred Elwes
1927 · Good
€25
Marion Harland
1875 · Good
€80
Alpheus S. Packard
1906 · Fine
€100
Thomas Belt
1930 · Good
€55
Gerardus Oorthuys
1913 · Good · NL
€20
Anatole France
1895 · Fair
€75
Elbert Hubbard
1915 · Good
€25
Sextus Empiricus.
1887 · Good
€40
Sir John Lubbock
1893 · Good
€100
Howell, Thomas
1909 · Very good
€30
Frank Thomas Bullen
1935 · Good
€40
Sir William Hamilton, 9th Baronet
1859 · Good
€75
Alfred Russel Wallace
1864 · Fair
€35
O. M. Mitchel
1892 · Very good
€55
John Richard Green, Alice Stopford Green
1884 · Fair
€90
John S. C. Abbott
1859 · Very good
€45
Frits Lugt
1920 · Fair · NL
€20
H. G. Wells
1935 · Very good
€40
Jonathan Pereira
1856 · Fine
€200
Luther E. Wyman
1927 · Fair
€40
Nico van Suchtelen
1901 · Very good · NL
€25
Ernest Thompson Seton
1929 · Fine
€35
Walter Rauschenbusch
1929 · Very good
€35