Ron Larson, Roland E. Larson
1920 · Fair
€55
Paracelsus
1896 · Good
€130
R. G. Collingwood
1929 · Good
€35
Ferdinand Wolff
1859 · Good · NL
€40
William Anthony Granville
1905 · Very good
€50
Henry B. Maglathlin
1869 · Very good
€50
Aristotle
1893 · Fine
€175
George Percival Mills
1935 · Very good
€25
W. J. Hofdijk
1863 · Very good · NL
€55
L. E. J. Brouwer
1909 · Good · NL
€60
Epictetus
1920 · Good
€20
Marcellus Emants
1904 · Good · NL
€20
Frederik Carel Gerretson
1927 · Good · NL
€70
Plotinus
1916 · Good
€75
Plato
1879 · Good
€65
Benedictus de Spinoza, Wolfgang Bartuschat
1896 · Good
€40
Henry Sinclair Hall, Samuel R. Knight
1904 · Fine
€30
E. Doumergue
1927 · Good · NL
€55
Eduard Strasburger
1899 · Very good
€80
Karl Pearson
1934 · Fine
€30
Werner Spalteholz
1906 · Good
€25
Multatuli
1878 · Good · NL
€115
Richard von Krafft-Ebing, Krafft/
1892 · Fine
€215
Søren Kierkegaard
1884 · Good
€50