Heraclitus of Ephesus
1918 · Good
€20
Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
Thomas Aquinas Sister, originally Agnes O'Neil
1934 · Good
€75
Elizabeth Prentiss, Rebecca Perkins
1878 · Very good
€65
Cassius Jackson Keyser
1935 · Good
€50
Thomas Whittaker
1907 · Good
€95
Elbert Hubbard
1915 · Good
€25
Sextus Empiricus.
1887 · Good
€40
Uspenskiĭ Petr Demʹi͡anovich
1935 · Fine
€95
James Clerk Maxwell
1881 · Good
€125
Mary Whiton Calkins
1910 · Very good
€35
George Frederick Kunz
1935 · Very good
€40
Ron Larson
1906 · Good
€45
Johannes Kepler
1859 · Good
€140
Edouard Goursat
1933 · Very good
€30
Samuel Colman, Samuel Colman
1935 · Good
€30
Joseph William Richards
1907 · Fair
€45
United States. Surgeon-General's Office., Samuel D. Gross
1874 · Very good
€85
Florian Cajori
1929 · Good
€65
John Ruskin
1888 · Fair
€55
Augustine of Hippo
1857 · Very good
€75
Arthur Schopenhauer
1912 · Good
€30
James Clerk Maxwell, James Clerk Maxwell
1892 · Very good
€80
Mabel Osgood Wright
1903 · Good
€40
Santiago Ramón y Cajal, Pedro Pasik
1902 · Good
€35
I. A. Kapandji
1919 · Very good
€85
Franz Kafka
1921 · Good
€60
Augustin Privat-Deschanel
1903 · Very good
€40
Joseph Louis Lagrange, Thomas J. McCormack
1898 · Good
€40
Salisbury, Rollin D.
1909 · Fine
€65
Fiódor Dostoievski
1866 · Good
€70
E. B. Jamieson
1914 · Fine
€40
Aristotle
1882 · Good
€95
Philip B. Hawk, Hawk, Philip Bovier
1920 · Very good
€40
Francisco de Vitoria
1920 · Good
€20
Frederick Orpen Bower, Sydney Howard Vines
1903 · Fair
€45
Grant Allen
1910 · Good
€40
Doreen Cronin, Betsy Lewin
1935 · Good
€20
Claude Bernard
1870 · Very good
€130
Ernst Cassirer
1930 · Good
€30
Francis Polkinghorne Pascoe
1879 · Very good
€190
Saint Cyprian, Bishop of Carthage, Apponius.
1860 · Good
€40
Greco
1925 · Very good
€95
Arthur Quiller-Couch
1935 · Good
€60
Erwin Rohde
1902 · Fair
€15
Henry Adams
1926 · Good
€90
Bertrand Russell
1916 · Fair
€45
John Buchan
1921 · Very good
€70
Teresa of Avila, F. Benedict Zimmerman
1912 · Fine
€60
Thomas Hobbes
1862 · Good
€205
Frederick Hamilton-Temple-Blackwood, 1st Marquess of Dufferin and Ava
1852 · Good
€40
Brooks Adams
1897 · Fine
€190
Richard A. Proctor
1868 · Fair
€105
T. E. Lawrence
1907 · Very good
€45
Charles George Herbermann, Edward Aloysius Pace
1935 · Fair
€15
Thomas Walker Arnold
1918 · Good
€85
Richard C. Cabot
1908 · Good
€40
Aristotle
1884 · Very good
€75
Sanborn Tenney
1881 · Very good
€70
Henri Bergson
1919 · Very good
€35