Friedrich Fröbel
1913 · Good
€20
Burnett Hillman Streeter, R. Brook
1919 · Fair
€15
Yogananda Paramahansa
1931 · Fine
€125
Martin Klopstock
1911 · Good
€35
A. S. Neill
1935 · Very good
€45
Eugène Pittard
1926 · Good
€20
Jørgen Peter Müller
1902 · Fine
€155
Jan Casper Schreuder
1930 · Good · NL
€45
Abraham Kuyper
1935 · Very good · NL
€50
Three Initiates
1928 · Good
€20
Nederlandse Mycologische Vereniging
1918 · Fair · NL
€15
G. Wisse
1908 · Very good · NL
€30
Charles Darwin
1909 · Fine
€90
E. V. Lucas
1924 · Good
€20
W. W. Rouse Ball
1935 · Fair
€15
Max Scheler
1935 · Good
€20
Lewis Foreman Day
1920 · Fine
€70
John Joly
1932 · Very good
€75
J. Reynolds Green
1916 · Fair
€20
Garrett Putman Serviss
1935 · Good
€95
Adolf Engler
1917 · Good
€25
Frederick Soddy
1935 · Fine
€30
Frank Hall Thorp
1906 · Good
€25
Herman Gorter
1935 · Very good · NL
€40
Foeke Buitenrust Hettema
1914 · Very good · NL
€55
Johannes Reitsma
1905 · Very good · NL
€35
Osler, William Sir
1926 · Very good
€45
Louis Couperus
1904 · Very good · NL
€25
Morris, Henry Sir
1926 · Good
€110
Patrick A. Finney
1935 · Very good
€60
Thorstein Veblen, Teichgraeber, Richard F., III
1932 · Good
€20
John Dewey
1901 · Good
€45
Gerrit van de Linde
1909 · Fair · NL
€20
Maria Montessori
1931 · Good
€110
Ernst Christian Achelis
1902 · Good · NL
€20
Roger Eliot Fry
1931 · Very good
€30
W. Simon
1912 · Good
€70
Christiaan Lodewijk Houthuysen
1930 · Good · NL
€30
Charles Fort
1933 · Fair
€35
Ralph W. G. Wyckoff
1935 · Very good
€30
R. Krul
1935 · Very good · NL
€55
Rudolf Otto
1929 · Fine
€35
Samuel Gronemann
1935 · Good · NL
€110
John of the Cross
1914 · Fair
€20
Thomas Vicary
1934 · Good
€75
Adriaan Pit
1930 · Good · NL
€25
Louis Couperus
1906 · Very good · NL
€50
Victor Horsley
1902 · Very good
€55
Carl Gustav Jung
1915 · Very good
€25
R. Fletcher
1922 · Good
€20
Krogh, August
1935 · Very good
€85
P. Biesterveld
1932 · Good · NL
€75
Miller, William J.
1935 · Fair
€20
Samuel O. L. Potter
1910 · Good
€30
F. W. van Wijk
1935 · Good · NL
€30
Walter Pye
1918 · Very good
€135
J. van Lennep
1911 · Very good · NL
€45
Bronger van Halteren
1911 · Good · NL
€65
Jan van Leeuwen
1924 · Very good · NL
€30
Peter Willem Hendrik Truyen
1901 · Fair · NL
€15