Thomas Henry Huxley
1889 · Fair
€30
Claude Irwin Palmer
1912 · Good
€20
Friedrich Fröbel
1913 · Good
€20
A. S. Neill
1935 · Very good
€45
W. W. Rouse Ball
1935 · Fair
€15
R. Fletcher
1922 · Good
€20
John Dewey
1901 · Good
€45
Martin Klopstock
1911 · Good
€35
William Archer Butler
1857 · Fair
€25
Edwin Emery Slosson
1935 · Very good
€40
Thorstein Veblen, Teichgraeber, Richard F., III
1932 · Good
€20
Burnett Hillman Streeter, R. Brook
1919 · Fair
€15
William Kingdon Clifford
1914 · Fair
€35
Silvanus Phillips Thompson
1935 · Very good
€35
Gerrit van de Linde
1909 · Fair · NL
€20
Koninklijk Instituut voor de Taal-, Land- en Volkenkunde van Nederlandsch-Indië.
1915 · Good · NL
€20
Frank Hall Thorp
1906 · Good
€25
Ernest Shurtleff Holmes
1935 · Fair
€15
Peter Willem Hendrik Truyen
1901 · Fair · NL
€15
Herbert Spencer
1867 · Good
€45
Alpheus S. Packard
1904 · Good
€25
Frederick Soddy
1935 · Fine
€30
Walter E. Thirring
1906 · Fine
€40
Thomas Troward
1922 · Good
€30
Arthur Clutton-Brock
1935 · Good
€20
Edgar Rice Burroughs
1935 · Good
€45
G. N. Watson
1935 · Good
€20
Judah M. Eisenberg, Walter Greiner
1904 · Good
€40
Morris Raphael Cohen
1935 · Fine
€35
John A. Van de Walle
1920 · Good
€35
Alfred Swaine Taylor
1869 · Good
€40
J. Reynolds Green
1916 · Fair
€20
Auguste Comte
1930 · Good
€30
Charles Kingsley
1884 · Good
€40
Frederick Bogue Noyes
1935 · Very good
€45
Samuel O. L. Potter
1910 · Good
€30
Freda Dinn
1903 · Very good
€35
Adolf Engler
1917 · Good
€25
Percival Lowell
1907 · Very good
€25
Lydia Maria Child
1855 · Fair
€40
Roger Eliot Fry
1931 · Very good
€30
Rudolf Otto
1929 · Fine
€35
Sir J. J. Thomson
1907 · Good
€25
Josiah Parsons Cooke Jr.
1890 · Good
€45
Armando Palacio Valdés, Guy Everett Snavely
1919 · Good
€20
Robert Flint
1932 · Very good
€40
Walter W. Bryant
1907 · Good
€25
F. Pijper
1915 · Very good · NL
€40
Charles Fort
1933 · Fair
€35
Henry Watts
1893 · Good
€35
John Cowper Powys
1933 · Very good
€50
W. R. Tymms, Matthew Digby Wyatt
1872 · Very good
€50
Herbert French
1914 · Good
€20
Robert W. Service
1909 · Very good
€40
Alexander Jamieson
1853 · Very good
€45
Adriaan Pit
1930 · Good · NL
€25
Inge, William Ralph
1926 · Fine
€50
Worthington Hooker
1906 · Very good
€30
Edward Carpenter
1935 · Fair
€20
William Morris
1917 · Fair
€20