Ernest Thompson Seton
1929 · Fine
€35
Carlton C. Curtis
1907 · Fine
€50
J. Arthur Thomson
1909 · Fine
€45
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
H. Newell Martin
1903 · Fine
€40
Jesse Feiring Williams
1924 · Fine
€35
Eduard Strasburger
1935 · Fine
€45
Arthur van Schendel
1921 · Fine · NL
€35
Rudyard Kipling
1920 · Fine
€40
Thompson, D'Arcy Wentworth
1931 · Fine
€35
Eduard Strasburger
1924 · Fine
€40
Abraham Kuyper
1911 · Fine · NL
€30
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
E. B. Jamieson
1914 · Fine
€40
James Law, James Law - undifferentiated
1904 · Fine
€35
Alfred Russel Wallace
1935 · Fine
€35
F. Matthias Alexander
1935 · Fine
€35
L. A. Waterbury
1913 · Fine
€45
Wood, Robert Williams
1919 · Fine
€40
John Willis Clark
1918 · Fine
€50
Ernst Heinrich Philipp August Haeckel
1900 · Fine
€30
Alexis Thomson
1912 · Fine
€30
Frederic William Farrar
1905 · Fine
€35
Pieter Joseph Cruse
1911 · Fine · NL
€30
Carl David Tolmé Runge
1916 · Fine
€50
Karl Pearson
1934 · Fine
€30
Frederick Soddy
1935 · Fine
€30
Mary Shelley
1935 · Fine
€40
Mortimer Menpes, Dorothy Menpes
1901 · Fine
€40
Ika A. Thomése
1935 · Fine · NL
€35
Austin M. Patterson
1935 · Fine
€35
H. G. Wells
1919 · Fine
€35
Theodore Shennan
1912 · Fine
€45
George M. Gould
1900 · Fine
€35
Antoni Christiaan Winand Staring
1900 · Fine · NL
€30
Hilaire Belloc
1929 · Fine
€35
Charles David Hodgman
1916 · Fine
€45
Peter Lund Simmonds, Simmonds P. L. (Peter Lund)
1923 · Fine
€50
Robert W. Chambers
1925 · Fine
€45
Klaas Johan Pen
1935 · Fine · NL
€35
James Martineau
1923 · Fine
€40
Jean-Jacques Rousseau
1927 · Fine
€30
Erwin Madelung
1935 · Fine
€40
Rudyard Kipling
1919 · Fine
€35
Henry Gray F.R.S., Henry Vandyke Carter
1915 · Fine
€50
Alfred North Whitehead
1930 · Fine
€40
Maurice Henry Hewlett
1926 · Fine
€45
Henry Sinclair Hall, Samuel R. Knight
1904 · Fine
€30
Robert Louis Stevenson
1921 · Fine
€30
Smithsonian Institution
1935 · Fine
€45
Nicolass Muller
1915 · Fine · NL
€35
Howard Roger Garis
1924 · Fine
€30
William Dean Howells
1924 · Fine
€30
Inge, William Ralph
1926 · Fine
€50
Willem Jan Maria Westerwoudt
1915 · Fine · NL
€40
John Dewey
1910 · Fine
€30
Guillaume Groen van Prinsterer
1903 · Fine · NL
€30
Richard Francis Burton, Charles F. Tyrwhitt Drake
1904 · Fine
€45
George Washington Carey, Inez E. Perry
1914 · Fine
€30
Walter E. Thirring
1906 · Fine
€40