Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
William Allen Whitworth
1870 · Very good
€55
William Ledley Vosburgh
1918 · Very good
€90
Edouard Goursat
1933 · Very good
€30
Mary Whiton Calkins
1910 · Very good
€35
P. Wijdenes
1932 · Very good · NL
€60
Henri Poincaré, Nicolae Sfetcu
1919 · Very good
€100
Charles Riborg Mann
1916 · Very good
€35
Edwin A. Burtt
1926 · Very good
€25
Henri Bergson
1919 · Very good
€35
Claude Bernard
1870 · Very good
€130
Augustin Privat-Deschanel
1903 · Very good
€40
Maximilien Marie
1925 · Fine
€35
Charles Riborg Mann, George Ransom Twiss
1935 · Very good
€30
Peter Kropotkin
1925 · Very good
€35
I. A. Kapandji
1919 · Very good
€85
Salisbury, Rollin D.
1909 · Fine
€65
Michael Faraday
1874 · Fine
€65
James Martineau
1935 · Very good
€80
Matthew Charteris
1916 · Fine
€80
John Leighton, James Kellaway Colling
1859 · Very good
€55
Muir, Robert Sir, R MacSween
1935 · Very good
€80
Charles Hazzard
1935 · Very good
€25
J. J. Graham Brown
1901 · Very good
€50
Henri Poincaré
1906 · Very good
€45
H. Stanley Redgrove
1911 · Fine
€170
Rudolf Steiner, Max Gysi
1910 · Very good
€25
James Jackson Jarves
1879 · Fine
€210
Colin MacKenzie
1870 · Very good
€80
A. Wilmer Duff
1916 · Very good
€65
Stephen Walter Ranson
1933 · Very good
€40
William H. Chapin
1933 · Very good
€35
Philip B. Hawk, Hawk, Philip Bovier
1920 · Very good
€40
Jean Louis Rodolphe Agassiz
1855 · Fine
€150
Andrew Alexander Blair
1888 · Very good
€115
Lewis F. Allen
1858 · Very good
€195
Moynihan, Berkeley Moynihan Baron
1907 · Very good
€50
Hermann Weyl
1921 · Very good
€80
Daniel John Cunningham
1919 · Very good
€40
Ike Matthews
1922 · Fine
€75
Clemens Brentano
1894 · Very good
€45
Josiah Parsons Cooke Jr.
1882 · Very good
€120
Peter Kropotkin
1910 · Fine
€50
O. Charnock Bradley
1935 · Very good
€100
Brooks Adams
1897 · Fine
€190
J. Greig Smith
1900 · Fine
€120
John Dewey
1910 · Fine
€30
John Galsworthy
1935 · Fine
€105
Gilles Deleuze, Gilles Deleuze
1906 · Very good
€25
Clive Bell
1935 · Very good
€120
John Ruskin
1935 · Very good
€35
James Anthony Froude
1884 · Fine
€95
Upton Sinclair
1916 · Very good
€25
E. B. Jamieson
1914 · Fine
€40
Jonathan Pereira
1856 · Fine
€200
Maurice S. Baldwin
1882 · Fine
€140
Walter Rauschenbusch
1929 · Very good
€35
Alfred Russel Wallace
1881 · Very good
€250
Alexander Ziegler
1874 · Very good · NL
€165
Worthington Hooker
1883 · Very good
€130