Felix Klein
1926 · Very good
€35
D. Embden
1902 · Very good · NL
€30
Cyriel Buysse
1926 · Fine · NL
€140
Benedictus de Spinoza
1909 · Good
€30
L. E. J. Brouwer
1909 · Good · NL
€60
Louis Couturat
1935 · Good
€70
Marcellus Emants
1904 · Good · NL
€20
Jonathan Pereira
1880 · Good · NL
€110
Sophus Lie
1907 · Very good
€30
William Dean Howells
1900 · Good
€35
Frederik Carel Gerretson
1927 · Good · NL
€70
William Anthony Granville
1905 · Very good
€50
W. Vrolik
1886 · Fair · NL
€55
Multatuli
1878 · Good · NL
€115
Marcellus Emants
1889 · Fair · NL
€40
Miguel de Cervantes Saavedra
1923 · Very good
€25
Lucien Poincaré
1929 · Good
€25
Henry Erni
1935 · Fair
€55
Richard Courant
1927 · Good
€35
Balfour Stewart
1875 · Very good
€120
Maurits Haantjes
1871 · Very good · NL
€80
Amédée Guillemin
1873 · Good
€95
Alexandre Dumas
1864 · Good
€65
F. P. Treadwell
1902 · Good
€45
Edward Carpenter
1894 · Good
€50
Walther Nernst
1908 · Very good
€30
Hélène Swarth
1921 · Good · NL
€30
Johan Henri Hubert Houben
1923 · Good · NL
€30
Abraham Kuyper
1914 · Fine · NL
€140
Jac Hijma
1910 · Very good · NL
€85
Camille Flammarion
1887 · Fine
€80
Almeida Garrett
1857 · Fair
€40
Erwin Madelung
1935 · Fine
€40
August Strindberg
1914 · Good
€40
J. H. de Groot
1924 · Good · NL
€40
J. J. de Hollander
1921 · Very good · NL
€80
Marcellus Emants
1889 · Very good · NL
€165
Abraham Kuyper
1896 · Good · NL
€80
Abraham Kuyper
1911 · Fair · NL
€15
Lewis Carroll
1918 · Very good
€80
Denison Olmsted
1857 · Fair
€40
P. Abas
1902 · Good · NL
€70
J. P. Heije
1917 · Fair · NL
€35
M. E. Chevreul
1896 · Very good
€45
Lodewijk van Deyssel
1923 · Very good · NL
€85
Johann Gottlieb Fichte
1910 · Very good
€60
Hendrik Pieter Marchant
1897 · Very good · NL
€100
Antoni Christiaan Winand Staring
1900 · Fine · NL
€30
Henri Bergson, Nancy Margaret Paul
1902 · Good
€45
Aristotle
1893 · Fine
€175
J.C. Matthes
1872 · Very good · NL
€100
John Stuart Mill
1891 · Very good
€65
Amédée Guillemin
1886 · Very good
€205
Hélène Swarth
1904 · Fair · NL
€15
R. G. Collingwood
1865 · Good
€45
Raphael
1935 · Very good
€30
Thomas Aquinas
1869 · Good
€70
J. Haak
1928 · Very good · NL
€30
William Henry Bragg
1925 · Fair
€20
Annie Salomons
1935 · Good · NL
€20