Charles Darwin
1909 · Fine
€90
Alpheus S. Packard
1906 · Fine
€100
Emile Ferrière
1909 · Fine · NL
€115
Alfred Russel Wallace
1935 · Fine
€35
Ernst Heinrich Philipp August Haeckel
1900 · Fine
€30
J. Arthur Thomson
1909 · Fine
€45
Leander Sylvester Keyser
1907 · Fine
€70
Carlton C. Curtis
1907 · Fine
€50
Thompson, D'Arcy Wentworth
1931 · Fine
€35
Sachs, Julius
1902 · Fine
€80
Yogananda Paramahansa
1931 · Fine
€125
Elizabeth Grinnell
1905 · Fine
€85
Nicolass Muller
1915 · Fine · NL
€35
F. Matthias Alexander
1935 · Fine
€35
William Beebe
1935 · Fine
€115
Ernest Thompson Seton
1923 · Fine
€85
Eduard Strasburger
1935 · Fine
€45
Eduard Strasburger
1924 · Fine
€40
Jean-Jacques Rousseau
1927 · Fine
€30
Ernest Thompson Seton
1929 · Fine
€35
Arthur van Schendel
1921 · Fine · NL
€35
Paul Drude
1919 · Fine
€160
John Galsworthy
1935 · Fine
€105
Charles Almanzo Babcock
1935 · Fine
€75
E. T. Whittaker, G. N. Watson
1920 · Fine
€75
H. Newell Martin
1903 · Fine
€40
Alfred North Whitehead
1930 · Fine
€40
Rudolf Steiner
1932 · Fine
€40
Bartholomeus Johannes Westerbeek van Eerten
1923 · Fine · NL
€100
Carl David Tolmé Runge
1916 · Fine
€50
Hilaire Belloc
1929 · Fine
€35
Harriet Mann Miller
1901 · Fine
€70
Salisbury, Rollin D.
1909 · Fine
€65
Ike Matthews
1922 · Fine
€75
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
C. Judson Herrick
1931 · Fine
€55
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
Elias Loomis
1902 · Fine
€55
Salomon Reinach
1925 · Fine
€130
Gerrit Cornelis August Valewink
1918 · Fine · NL
€85
John Dewey
1910 · Fine
€30
Cyriel Buysse
1926 · Fine · NL
€140
Erwin Madelung
1935 · Fine
€40
John Ruskin
1924 · Fine
€105
Abraham Kuyper
1914 · Fine · NL
€140
Frederick Soddy
1935 · Fine
€30
F. S. Macaulay
1922 · Fine
€135
Emanuel Hiel
1901 · Fine · NL
€130
Edward Bernard Koster
1916 · Fine · NL
€90
Henry Sinclair Hall, Samuel R. Knight
1904 · Fine
€30
George M. Gould
1900 · Fine
€35
Lewis Foreman Day
1920 · Fine
€70
H. Stanley Redgrove
1911 · Fine
€170
Alfred North Whitehead
1931 · Fine
€60
Alexander Lowy, Benjamin Harrow
1924 · Fine
€120
Edward Carpenter
1904 · Fine
€90
Luther Burbank
1935 · Fine
€65
Friedrich Engels
1905 · Fine
€80
Frank Michler Chapman
1935 · Fine
€55
J. Th Ubbink
1933 · Fine · NL
€95