John Stuart Mill
1891 · Very good
€65
Thomas Hugo
1873 · Good
€145
Koninklijke Bibliotheek (Netherlands ), Willem Pieter Cornelis Knuttel
1898 · Very good · NL
€160
Edwin Abbott Abbott
1879 · Very good
€75
John Ruskin
1884 · Very good
€215
College of Physicians of Philadelphia
1872 · Good
€80
Ralph Waldo Emerson
1880 · Good
€60
Charles Babbage
1897 · Very good
€135
Josiah Royce
1898 · Very good
€75
John Ruskin
1854 · Fair
€30
Phillips Brooks
1883 · Very good
€95
Joel Tyler Headley, Willis Fletcher Johnson
1883 · Very good
€50
F. Max Müller
1884 · Good
€40
Almira (Hart) Lincoln Phelps
1869 · Good
€150
John Obadiah Westwood
1861 · Very good
€155
Hermann Schlegel
1858 · Very good · NL
€65
Philippus S. van Ronkel
1897 · Very good · NL
€140
John Ruskin
1895 · Good
€35
John Ruskin
1888 · Very good
€70
Eduard Zeller
1881 · Very good
€140
James E. Thorold Rogers
1893 · Very good
€175
Jonathan Edwards
1883 · Good
€85
John Burnet
1893 · Good
€35
Marcellus Emants
1889 · Fair · NL
€40
Universität Wien
1887 · Good · NL
€70
Johannes Hermanus Gunning
1876 · Very good · NL
€110
Philip Henry Gosse
1868 · Fair
€40
Philippus Pieter Roorda van Eysinga
1852 · Fair · NL
€80
Joseph B. Mayor
1886 · Very good
€70
Eduard von Hartmann
1883 · Fine
€130
Amsterdam (Netherlands). Stedelijk Museum
1899 · Very good · NL
€50
Louisa May Alcott
1898 · Very good
€55
William Thomson Kelvin, Peter Guthrie Tait
1884 · Very good
€115
Jacob Cornelissen
1894 · Fair · NL
€60
John Fiske
1894 · Very good
€60
R. G. Collingwood
1865 · Good
€45
Roos, Cornelis François Jr
1881 · Very good · NL
€90
Karl Marx
1853 · Very good
€55
Phillips Brooks
1895 · Very good
€75
Marcellus Emants
1889 · Very good · NL
€165
H. C. Rogge
1875 · Very good · NL
€100
John Burroughs
1887 · Very good
€50
Salomon Munk, S. (Salomon) Munk
1857 · Very good
€55
Frederick James Britten, Antique Collectors' Club
1884 · Very good
€50
P. T. Barnum
1870 · Good
€120
William Thomson Kelvin
1889 · Very good
€165
P. Verkade
1859 · Good · NL
€45
Sir Charles Bell
1859 · Good
€110
Thomas Hill Green
1886 · Good
€160
Georgiĭ Valentinovich Plekhanov
1899 · Very good
€145
James Thomas Fields
1872 · Very good
€70
Philipp Woker
1885 · Fair · NL
€100
Robert Chambers
1852 · Good
€160
John William Draper
1887 · Good
€115
Jacob Moleschott
1892 · Very good · NL
€85
John Caird
1884 · Fair
€25
Petrus Mathias Snickers
1880 · Fair · NL
€45
Philip Henry Gosse
1862 · Very good
€75
Raphael Brandon
1871 · Good
€85
Roos, Cornelis François Jr
1870 · Fine · NL
€85