Richard H. Tawney
1935 · Good
€35
Thomas Griffith Taylor
1922 · Very good
€50
John Ruskin
1935 · Very good
€35
John Maynard Keynes, Jens Hölscher
1935 · Very good
€45
Henry E. Roscoe
1906 · Good
€45
Upton Sinclair
1916 · Very good
€25
Benedetto Croce
1915 · Good
€30
Emanuel Hannak
1911 · Very good · NL
€25
Cassius Jackson Keyser
1935 · Good
€50
Edwin Checkley
1890 · Good
€50
Henry Lewis Rietz
1929 · Fair
€30
Bertrand Russell
1935 · Fair
€30
Eugène Pittard
1926 · Good
€20
R. Fletcher
1922 · Good
€20
Edwin Emery Slosson
1935 · Fair
€25
Phillips Brooks
1911 · Very good
€25
Will Durant
1919 · Good
€50
Ron Larson
1906 · Good
€45
Thorstein Veblen
1912 · Good
€40
Carl Joseph West
1920 · Very good
€45
Ernest Albee
1906 · Good
€20
Herbert E. Cobb
1935 · Very good
€30
F. Matthias Alexander
1935 · Fine
€35
Alexander von Humboldt
1853 · Very good
€50
Jan Jacob Bruins
1935 · Very good · NL
€45
Thorstein Veblen
1921 · Good
€40
Egbert Broer Kielstra
1920 · Very good · NL
€25
E. T. Whittaker, Sir William McCrae
1906 · Good
€35
William Kingdon Clifford
1914 · Fair
€35
E. W. de Rooij
1856 · Very good · NL
€50
Hendrik Johan Herman van Boetzelaer
1935 · Good · NL
€40
Augustin Privat-Deschanel
1903 · Very good
€40
Arthur A. Noyes
1935 · Good
€20
Peter Lund Simmonds, Simmonds P. L. (Peter Lund)
1923 · Fine
€50
Abraham Kuyper
1911 · Fine · NL
€30
Carl David Tolmé Runge
1916 · Fine
€50
A.M.de Lange
1900 · Good · NL
€30
Christiaan Lodewijk Houthuysen
1930 · Good · NL
€30
Nicolass Muller
1915 · Fine · NL
€35
G. H. Hardy, T. W. Körner
1935 · Very good
€25
Frank Hall Thorp
1906 · Good
€25
Florian Cajori
1907 · Very good
€45
Martin, Geoffrey
1931 · Good
€25
Friedrich Fröbel
1919 · Good
€20
Walther Nernst
1908 · Very good
€30
Victor von Richter
1916 · Good
€25
Jacob Vrolik
1901 · Good · NL
€25
Abraham Kuyper
1907 · Very good · NL
€30
Abraham Kuyper
1935 · Very good · NL
€50
Rabindranath Tagore
1917 · Very good
€35
Grant Allen
1910 · Good
€40
Sextus Empiricus.
1887 · Good
€40
Erwin Madelung
1935 · Fine
€40
F. H. Bradley
1891 · Fair
€30
John A. Suchocki
1924 · Good
€25
Holger Mosbech
1935 · Fair · NL
€20
Dionysius Lardner
1875 · Very good
€50
D. Embden
1902 · Very good · NL
€30
Garrett Putman Serviss
1913 · Good
€35
Marcellus Emants
1900 · Very good · NL
€25