Ebba Pauli
1927 · Good · NL
€40
J. B. Rietstap
1876 · Good · NL
€55
Herman Heijermans
1935 · Fair · NL
€65
Joseph B. Mayor
1886 · Very good
€70
A. Pierson
1875 · Very good · NL
€140
Plato
1879 · Good
€65
Frederik Carel Gerretson
1927 · Good · NL
€70
Lodewijk van Deyssel
1935 · Good · NL
€40
Jan Jacob Bruins
1935 · Very good · NL
€45
Jean-Henri Fabre
1924 · Very good
€65
Vreeswijk, Johannes Adrianus, jr.
1909 · Good · NL
€25
Pieter Joseph Cruse
1911 · Fine · NL
€30
William Rowan Hamilton
1899 · Good
€135
Pieter Johannes Veth
1879 · Good · NL
€160
Hendrik Pieter Marchant
1897 · Very good · NL
€100
John Ruskin
1888 · Very good
€70
Craandijk, J.
1902 · Fair · NL
€15
Paulette Bourgeois, Brenda Clark
1908 · Good
€20
Johannes Christiaan Kromsigt
1933 · Fair · NL
€20
Stijn Streuvels
1912 · Fair · NL
€15
Stijn Streuvels
1912 · Good · NL
€65
Calvin Cutter
1871 · Fine
€80
Werner Spalteholz
1905 · Good
€95
Elias Loomis
1902 · Fine
€55
Henry Herbert Donaldson
1935 · Good
€20
John William Norie
1886 · Good
€50
Roberts, Alexander, Donaldson, James Sir
1912 · Good
€25
Dionysius Lardner
1875 · Very good
€50
Jacob Abbott
1863 · Very good
€155
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
Petrus Johannes Blok
1902 · Fine · NL
€90
J.C. Matthes
1872 · Very good · NL
€100
Soranus, Franciscus Zacharias Emerins
1898 · Good
€160
Eduard Strasburger
1924 · Fine
€40
Alfred Kaestner
1904 · Very good
€35
Gaius Valerius Catullus
1852 · Very good
€100
Richard von Krafft-Ebing, Krafft/
1892 · Fine
€215
Pieter Cornelis Boutens
1931 · Good · NL
€60
Paul Frédéricq
1903 · Very good · NL
€85
M. Büsgen
1897 · Good
€65
Edwin Abbott Abbott
1911 · Fair
€40
Albert Verwey
1916 · Very good · NL
€55
Brooks Adams
1888 · Very good
€65
Justus von Liebig
1850 · Good
€80
Willem Frederik Rochussen
1913 · Good · NL
€105
William Thomson Kelvin
1889 · Very good
€165
Willem Christiaan Knottenbelt
1873 · Good · NL
€65
Petrus Johannes Blok
1895 · Good · NL
€60
Max Rooses
1916 · Fair · NL
€15
Felix Timmermans
1900 · Good · NL
€30
Ernst Buschor
1935 · Good
€30
Johannes Petrus Hasebroek
1898 · Very good · NL
€80
Hendrik Heukels
1935 · Good · NL
€20
Koninklijke Bibliotheek (Netherlands ), Willem Pieter Cornelis Knuttel
1898 · Very good · NL
€160
British Ornithologists' Union
1868 · Good
€105
Willem Kloos
1920 · Fair · NL
€50
Nicolass Muller
1915 · Fine · NL
€35
Wilhelm Berg
1880 · Good · NL
€65
Ludwig Feuerbach
1893 · Good
€115
Peter Kropotkin
1903 · Fair
€15