Balfour Stewart
1919 · Good
€20
Johan de Meester
1919 · Fair · NL
€35
Charles Riborg Mann
1916 · Very good
€35
L. Bautain
1911 · Good
€45
Eugen Horn
1900 · Good · NL
€50
Gerrit van de Linde
1909 · Fair · NL
€20
Hugo D. Froehlich, Bonnie E. Snow
1928 · Very good
€25
Maurits Esser
1917 · Fair · NL
€15
E. T. Whittaker
1920 · Good
€25
Klikspaan
1935 · Fair · NL
€35
Karl Baedeker (Firm)
1902 · Very good
€30
Jan Jacob Bruins
1935 · Very good · NL
€45
E. J. Potgieter
1886 · Very good · NL
€45
Rabindranath Tagore
1917 · Very good
€35
Joseph Louis Lagrange, Thomas J. McCormack
1898 · Good
€40
Theodoor Jorissen
1902 · Good · NL
€30
Nederlandse Mycologische Vereniging
1918 · Fair · NL
€15
Frans Verschoren
1913 · Good · NL
€20
Paul Louis Mulder
1909 · Good · NL
€45
Sir William Osler
1935 · Fair
€20
Friedrich Fröbel
1919 · Good
€20
Ron Larson
1906 · Good
€45
Augustin Privat-Deschanel
1903 · Very good
€40
Pieter Cornelis Boutens
1916 · Very good · NL
€35
Charles Kingsley
1881 · Fair
€45
Frederik van Eeden
1935 · Good · NL
€35
John Dewey
1901 · Good
€45
Worthington Hooker
1865 · Good
€50
Hilde Hacquebord
1911 · Good · NL
€40
Thomas Henry Huxley
1889 · Fair
€30
Антон Павлович Чехов
1935 · Very good
€40
Friedrich Fröbel
1913 · Good
€20
Ron Larson
1931 · Fair
€20
Frederick Orpen Bower, Sydney Howard Vines
1903 · Fair
€45
Theodore Parker
1884 · Good
€45
Steven S. Zumdahl
1907 · Very good
€25
J. van Lennep
1918 · Good · NL
€35
Pieter Joseph Cruse
1911 · Fine · NL
€30
Eskelhoff Carsjen Gravemeijer
1902 · Good · NL
€30
Hélène Swarth
1921 · Good · NL
€30
W. Hamilton Gibson
1910 · Good
€20
Roger Eliot Fry
1931 · Very good
€30
A. S. Neill
1935 · Very good
€45
Booker T. Washington, Joe Henry Mitchell
1910 · Good
€35
Lotta Jean Bogert
1935 · Fair
€20
W. Vrolik
1852 · Fair · NL
€40
Charles Colcock Jones
1892 · Very good
€50
Edith Nesbit
1922 · Good
€20
Herman Gorter
1935 · Very good · NL
€40
Marcellus Emants
1900 · Very good · NL
€25
Marcellus Emants
1904 · Good · NL
€20
Edwin Checkley
1890 · Good
€50
Nicolass Muller
1915 · Fine · NL
€35
Claude Irwin Palmer
1912 · Good
€20
R. V. Pierce
1914 · Very good
€35
Annie Salomons
1923 · Very good · NL
€25
Wouter Hendrik Van Seters
1935 · Good · NL
€50
Samuel Schmucker Sadtler
1935 · Very good
€45
M. Buys
1935 · Good · NL
€25
A. Th. L. A. Heyligers
1935 · Good · NL
€35