Franz Kafka
1921 · Good
€60
Edwin A. Burtt
1926 · Very good
€25
Mary Whiton Calkins
1910 · Very good
€35
Henri Bergson
1919 · Very good
€35
Parmenides.
1902 · Fair
€35
Uspenskiĭ Petr Demʹi͡anovich
1935 · Fine
€95
Thomas Henry Green
1875 · Good
€120
Samuel Colman, Samuel Colman
1935 · Good
€30
Rudolf Steiner, Max Gysi
1910 · Very good
€25
Edward Carpenter
1906 · Good
€25
Ernst Heinrich Philipp August Haeckel
1911 · Very good
€110
H. Newell Martin
1903 · Fine
€40
George Viner Ellis
1859 · Very good
€60
British Museum (Natural History). Dept. of Mineralogy.
1916 · Good
€60
H. Newell Martin
1908 · Very good
€35
Erwin Rohde
1902 · Fair
€15
Stephen Walter Ranson
1933 · Very good
€40
Aristotle
1882 · Good
€95
H. G. Wells
1911 · Very good
€40
Martin Robison Delany
1865 · Good
€40
Heraclitus of Ephesus
1918 · Good
€20
William Morris
1874 · Very good
€230
Charles Joseph Singer
1932 · Good
€25
John Cleland
1885 · Good
€80
John Ruskin
1873 · Very good
€105
James Clerk Maxwell
1881 · Good
€125
Peter Kropotkin
1925 · Very good
€35
Sigmund Freud
1914 · Very good
€70
Richard A. Proctor
1868 · Fair
€105
Mahaffy, John Pentland Sir
1918 · Good
€50
Publius Terentius Afer
1860 · Fine
€65
Winifred E. Howe, Henry Watson Kent
1935 · Very good
€30
Johann Jakob Bachofen
1907 · Good
€55
K. F. Holle
1877 · Very good · NL
€95
Michael Faraday
1874 · Fine
€65
Jonathan Pereira
1856 · Fine
€200
Sanborn Tenney
1881 · Very good
€70
Patrick Geddes
1903 · Good
€70
Otto Seemann
1895 · Very good
€95
Mary Shelley
1935 · Fine
€40
E. T. Whittaker, Sir William McCrae
1906 · Good
€35
Marcellus Emants
1900 · Very good · NL
€25
Charles Haddon Spurgeon
1891 · Good
€45
Jacob Van Beek
1921 · Good · NL
€25
Salisbury, Rollin D.
1909 · Fine
€65
William Chase Stevens
1909 · Good
€20
Bumpus, T. Francis
1906 · Fair
€45
Joseph Pennell
1915 · Very good
€50
C. Gegenbaur
1890 · Good
€65
Wilmore, Albert.
1921 · Good
€35
Jacob Abbott
1864 · Fair
€40
Ernst Heinrich Philipp August Haeckel
1903 · Good
€20
Balfour Stewart
1919 · Good
€20
H. G. Wells
1912 · Good
€70
Lewis Foreman Day
1910 · Very good
€25
Cassius Jackson Keyser
1935 · Good
€50
Matthew Charteris
1916 · Fine
€80
Frederick Orpen Bower, Sydney Howard Vines
1903 · Fair
€45
Sir William Hamilton, 9th Baronet
1859 · Good
€75
James Allanson Picton
1911 · Good
€20