Edwin A. Burtt
1926 · Very good
€25
Edwin A. Burtt
1927 · Good
€40
Henri Bergson
1919 · Very good
€35
Immanuel Kant, Kant
1816 · Very good
€155
Mary Whiton Calkins
1910 · Very good
€35
John Bernhard Stallo
1883 · Fine
€55
Immanuel Kant, Alain Renaut
1807 · Very good
€330
Sir William Hamilton, 9th Baronet
1859 · Good
€75
F. Matthias Alexander
1935 · Fine
€35
Robert Thomas
1819 · Very good
€180
Bertrand Russell
1907 · Fair
€45
F. H. Bradley
1905 · Good
€30
Sir Muhammad Iqbal
1913 · Fine
€175
Hans R. Pruppacher, J.D. Klett
1904 · Very good
€120
Josiah Royce
1898 · Very good
€75
William C. McC Lewis
1935 · Good
€30
John Elof Boodin
1935 · Fair
€15
Edwin Checkley
1890 · Good
€50
Florian Cajori
1929 · Good
€65
George Bernard Shaw
1935 · Very good
€25
Erwin Madelung
1935 · Fine
€40
Plato
1549 · Good
€540
Epictetus
1920 · Good
€20
Jacques Loeb
1918 · Good
€35
William Kingdon Clifford
1887 · Good
€115
Lawrence Sklar
1911 · Very good
€30
Parmenides.
1902 · Fair
€35
William Cullen
1801 · Very good
€165
William Kingdon Clifford
1914 · Fair
€35
Tito Vignoli
1885 · Good
€50
Carl Friedrich Gauss
1817 · Fine
€130
Richard Helsham
1743 · Very good
€365
William Henry Bragg
1925 · Fair
€20
Michael Faraday
1874 · Fine
€65
J. G. Leathem
1919 · Fair
€15
Ernst Cassirer, Claus Rosenkranz
1935 · Good
€25
James Clerk Maxwell
1881 · Good
€125
McDougall, William
1917 · Fine
€100
Herbert E. Cobb
1935 · Very good
€30
René Descartes
1638 · Good
€1,375
Richard Courant
1927 · Good
€35
Elie Metchnikoff
1903 · Very good
€35
Thomas Troward
1922 · Good
€30
Thomas Henry Huxley
1901 · Good
€35
Sir Isaac Newton
1727 · Very good
€475
Johannes Goedaert
1673 · Very good · NL
€970
Bertrand Russell
1916 · Good
€80
Henri Poincaré, J. McKeen Cattell
1915 · Good
€50
A. Privat-Deschanel
1889 · Good
€55
A. Privat-Deschanel
1875 · Very good
€80
Charles Elam
1869 · Good
€40
Matthew Charteris
1916 · Fine
€80
Bertrand Russell
1932 · Very good
€90
Jules Bernard Luys
1909 · Good
€25
Stephen Walter Ranson
1933 · Very good
€40
René Descartes
1646 · Fair
€1,215
Dionysius Lardner
1875 · Very good
€50
Augustin Privat-Deschanel
1903 · Very good
€40
Charles Riborg Mann
1916 · Very good
€35
William Samuel Sadler
1915 · Very good
€25