F. Matthias Alexander
1935 · Fine
€35
Abraham Kuyper
1880 · Fine · NL
€110
E. F. B. Fell
1909 · Good
€75
H. G. Wells
1911 · Very good
€40
Rabindranath Tagore
1917 · Very good
€35
Jac Hijma
1910 · Very good · NL
€85
Alexander Findlay
1919 · Good
€75
Menno Simons
1795 · Very good · NL
€405
Jonathan Dymond
1879 · Good
€55
O. Charnock Bradley
1922 · Fair
€55
Samuel Colman, Samuel Colman
1935 · Good
€30
Multatuli
1878 · Good · NL
€115
G. Wisse
1908 · Very good · NL
€30
Thorstein Veblen
1935 · Very good
€65
Flint, Austin
1872 · Very good
€70
P. Abas
1902 · Good · NL
€70
Peter Kropotkin
1925 · Very good
€35
Thorstein Veblen
1921 · Good
€40
A. S. Hartkamp
1923 · Good · NL
€95
Thomas Boston, Vasile Lazar
1745 · Good
€345
A. S. Neill
1935 · Very good
€45
Alfred Russel Wallace
1908 · Very good
€85
T. Sundara Rao
1905 · Fair
€15
Florian Cajori
1929 · Good
€65
Jean Le Rond d'Alembert
1765 · Fair
€460
Auguste Comte
1930 · Good
€30
Horatio Alger, Jr.
1879 · Fair
€35
James Martineau
1923 · Fine
€40
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
Marius Kolff
1873 · Good · NL
€100
Eliza Lee (Cabot) Follen
1877 · Fair
€60
Bernard Le Bovier de Fontenelle
1722 · Good
€265
Joseph Butler, B. F. Tefft
1789 · Very good
€630
Garrett Putman Serviss
1907 · Fair
€30
Watson, Thomas
1703 · Good
€805
Maurits Haantjes
1871 · Very good · NL
€80
Edwin Checkley
1890 · Good
€50
Edwin A. Burtt
1927 · Good
€40
Christian Gotthilf Salzmann
1802 · Good
€95
Edwin A. Burtt
1926 · Very good
€25
Alexander Tweedie, System
1841 · Fine
€160
G. N. Watson
1935 · Good
€20
Moritz Schlick
1928 · Good
€55
Foster Dee Snell, Cornelia T. Snell
1934 · Very good
€30
George Brant Bridgman
1920 · Very good
€45
Jacques Rohault
1674 · Fair
€520
Thomas Vicary
1934 · Good
€75
Wilson, Erasmus Sir
1849 · Very good
€170
I. A. Kapandji
1919 · Very good
€85
Josiah Parsons Cooke Jr.
1890 · Good
€45
Emmanuel Levinas
1935 · Good
€35
Lewis Foreman Day
1910 · Very good
€25
Plato
1835 · Fine
€145
Elias Loomis
1902 · Fine
€55
Alexander von Humboldt
1876 · Very good
€150
Patrick A. Finney
1935 · Very good
€60
John Dewey, john dewey
1935 · Good
€75
Emanuel Swedenborg
1856 · Very good
€70
Joseph Butler
1762 · Good
€265
G. A. Henty
1861 · Very good
€115