F. Matthias Alexander
1935 · Fine
€35
William Beebe
1935 · Fine
€115
Ernest Thompson Seton
1923 · Fine
€85
Ernest Thompson Seton
1929 · Fine
€35
Romain Rolland
1918 · Fine
€50
John Dewey
1910 · Fine
€30
McDougall, William
1917 · Fine
€100
Lewis Foreman Day
1920 · Fine
€70
Sepp, Christiaan
1912 · Fine · NL
€125
Alfred Russel Wallace
1935 · Fine
€35
Nicolass Muller
1915 · Fine · NL
€35
H. Newell Martin
1903 · Fine
€40
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
James Martineau
1923 · Fine
€40
Booker T. Washington
1919 · Fine
€105
Charles Darwin
1909 · Fine
€90
John Galsworthy
1935 · Fine
€105
Thompson, D'Arcy Wentworth
1931 · Fine
€35
Carl David Tolmé Runge
1916 · Fine
€50
Edward Bernard Koster
1916 · Fine · NL
€90
Clifford Whittingham Beers
1911 · Fine
€70
Carlton C. Curtis
1907 · Fine
€50
Arthur van Schendel
1921 · Fine · NL
€35
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
Emanuel Hiel
1901 · Fine · NL
€130
Mary Greer Conklin
1923 · Fine
€40
E. B. Jamieson
1914 · Fine
€40
Stella Benson
1925 · Fine
€150
Cyriel Buysse
1926 · Fine · NL
€140
Eduard Strasburger
1935 · Fine
€45
Antoni Christiaan Winand Staring
1900 · Fine · NL
€30
Jesse Feiring Williams
1924 · Fine
€35
Elizabeth Grinnell
1905 · Fine
€85
James George Frazer
1935 · Fine
€140
Salisbury, Rollin D.
1909 · Fine
€65
Yogananda Paramahansa
1931 · Fine
€125
Ika A. Thomése
1935 · Fine · NL
€35
Henry Paul Talbot
1932 · Fine
€55
Leander Sylvester Keyser
1907 · Fine
€70
Thornton W. Burgess
1935 · Fine
€115
George M. Gould
1900 · Fine
€35
Jørgen Peter Müller
1902 · Fine
€155
Josiah Royce
1928 · Fine
€125
Abraham Kuyper
1911 · Fine · NL
€30
Rudolf Otto
1929 · Fine
€35
C. Judson Herrick
1931 · Fine
€55
Arthur B. Curtis
1929 · Fine
€60
Mādhavakara.
1924 · Fine
€30
Diana Clifford Kimber
1903 · Fine
€155
Hilaire Belloc
1929 · Fine
€35
R. E. Snodgrass, Roger A. Morse
1933 · Fine
€70
Pieter Joseph Cruse
1911 · Fine · NL
€30
John Willis Clark
1918 · Fine
€50
Guy Boothby
1901 · Fine
€110
Bartholomeus Johannes Westerbeek van Eerten
1923 · Fine · NL
€100
Ike Matthews
1922 · Fine
€75
J. Greig Smith
1900 · Fine
€120
James Whitcomb Riley
1911 · Fine
€125
Emile Ferrière
1909 · Fine · NL
€115
John Ruskin
1924 · Fine
€105