Annie Salomons
1923 · Very good · NL
€25
John Burroughs
1905 · Fair
€55
Abraham Kuyper
1911 · Fine · NL
€30
Samuel Muller
1915 · Very good · NL
€80
Maurits Esser
1917 · Fair · NL
€15
J. W. Mackail
1935 · Good
€50
Robert Fruin
1923 · Good · NL
€30
Stefan Zweig
1935 · Good
€35
Frederick Orpen Bower, Sydney Howard Vines
1903 · Fair
€45
Arthur van Schendel
1935 · Good · NL
€45
Clive Bell
1935 · Very good
€120
Marcellus Emants
1900 · Very good · NL
€25
Ernst Fuchs
1916 · Good
€70
Garrett Putman Serviss
1911 · Fair
€50
Jacob Van Beek
1921 · Good · NL
€25
Justus van Maurik
1914 · Very good · NL
€45
Garrett Putman Serviss
1913 · Good
€35
Lotta Jean Bogert
1935 · Fair
€20
Albert Bielschowsky, Theobald Ziegler
1902 · Very good
€25
Irvin S. Cobb
1935 · Good
€50
Mabel Osgood Wright
1903 · Good
€40
Eugen Horn
1900 · Good · NL
€50
Joseph Pennell
1915 · Very good
€50
Tjeerd Oeds Hylkema
1935 · Very good · NL
€50
Rebecca Crumpler
1905 · Good
€35
Hermann Löns
1903 · Very good · NL
€155
Aron Salomon Coltof
1918 · Very good · NL
€55
Johan de Meester
1919 · Fair · NL
€35
Seakle Greijdanus
1935 · Good · NL
€45
Edward Thomas
1935 · Fine
€165
Edmund Husserl
1913 · Good
€45
José Ortega y Gasset
1931 · Very good
€60
Eskelhoff Carsjen Gravemeijer
1902 · Good · NL
€30
Renée Hirsch
1935 · Good · NL
€50
Nico van Suchtelen
1901 · Very good · NL
€25
Willem Johannes Leyds
1926 · Good · NL
€75
H. Koffyberg
1924 · Fair · NL
€20
Gaius
1904 · Fair
€40
Houston Stewart Chamberlain
1902 · Good
€45
S. Coolsma
1902 · Good · NL
€80
Patrick Geddes
1903 · Good
€70
Ghent (Belgium). Archief
1930 · Good · NL
€70
Garrett Putman Serviss
1907 · Fair
€30
Tine de Kruyff-Gobius
1912 · Good · NL
€55
Charles Baudelaire
1920 · Very good
€65
Harm Bouwman
1916 · Very good · NL
€30
L. A. Bakhuis
1902 · Very good · NL
€45
Engelbertus Eliza Willem Gerards Schröder
1917 · Very good · NL
€70
A. S. Neill
1933 · Good
€90
Julius Fessler
1934 · Very good · NL
€35
Willem Jan Maria Westerwoudt
1915 · Fine · NL
€40
François HaverSchmidt
1911 · Good · NL
€20
Gilbert Keith Chesterton
1929 · Very good
€50
Ida B. Wells-Barnett, I. Garland Penn
1914 · Fair
€35
C. Poensen
1902 · Fair · NL
€75
Alfred Ainger
1909 · Fine
€70
Werner Haftmann
1935 · Very good
€35
Jacob Gijsbert Boerlage
1925 · Good · NL
€55
Walter Crum Watson
1917 · Fair
€25
Arthur Wesley Dow
1935 · Good
€25