H. G. Wells
1911 · Very good
€40
Annie Salomons
1923 · Very good · NL
€25
Arthur Wesley Dow
1935 · Good
€25
Edward Carpenter
1906 · Good
€25
Mary Greer Conklin
1923 · Fine
€40
Marcellus Emants
1900 · Very good · NL
€25
Charles Haddon Spurgeon
1924 · Good
€35
Cassius Jackson Keyser
1935 · Good
€50
Abraham Kuyper
1911 · Fine · NL
€30
Arthur van Schendel
1909 · Fair · NL
€45
L. A. Bakhuis
1902 · Very good · NL
€45
G. A. Wilken
1902 · Very good · NL
€100
Eskelhoff Carsjen Gravemeijer
1902 · Good · NL
€30
John Dewey
1910 · Fine
€30
John Galsworthy
1935 · Fine
€105
E. J. Banfield
1935 · Very good
€25
E. B. Jamieson
1914 · Fine
€40
Samuel Schoch
1935 · Very good · NL
€55
Julius Fessler
1934 · Very good · NL
€35
Workman, Herbert B.
1913 · Fine
€55
John H. Vanderpoel
1935 · Good
€20
I. A. Kapandji
1919 · Very good
€85
Ernst Heinrich Philipp August Haeckel
1903 · Good
€20
Richard C. Cabot
1908 · Good
€40
Jacob Van Beek
1921 · Good · NL
€25
H. Newell Martin
1908 · Very good
€35
Garrett Putman Serviss
1907 · Fair
€30
A. Wilmer Duff
1916 · Very good
€65
Riccardo Nobili
1935 · Good
€25
Walter Rauschenbusch
1929 · Very good
€35
Bavinck, Herman
1925 · Very good · NL
€25
Ida B. Wells-Barnett, I. Garland Penn
1914 · Fair
€35
J. C. Rullmann
1935 · Very good · NL
€75
H. Newell Martin
1903 · Fine
€40
Garrett Putman Serviss
1909 · Good
€45
Seneca Egbert
1908 · Good
€30
Franciscus Anthonius Bijvoet
1906 · Good · NL
€25
Garrett Putman Serviss
1913 · Good
€35
S. Coolsma
1902 · Good · NL
€80
John Dewey, john dewey
1935 · Good
€75
Uspenskiĭ Petr Demʹi͡anovich
1935 · Fine
€95
Harm Bouwman
1916 · Very good · NL
€30
G. A. Henty
1926 · Good
€20
Heraclitus of Ephesus
1918 · Good
€20
José Ortega y Gasset
1931 · Very good
€60
Ernst Cassirer
1930 · Good
€30
Herman Heijermans
1932 · Good · NL
€25
Jacinto Benavente
1920 · Good
€20
Florian Cajori
1929 · Good
€65
C. Poensen
1902 · Fair · NL
€75
Elbert Hubbard
1915 · Good
€25
Thomas Aquinas Sister, originally Agnes O'Neil
1934 · Good
€75
Robert Fruin
1923 · Good · NL
€30
Augustin Privat-Deschanel
1903 · Very good
€40
Clive Bell
1935 · Very good
€120
Henri Poincaré, Nicolae Sfetcu
1919 · Very good
€100
Arthur van Schendel
1935 · Good · NL
€45
J. P. Kleiweg de Zwaan
1911 · Fair · NL
€30
Annie S. Swan
1918 · Very good
€25
Hugh S. Taylor
1933 · Good
€55