H. B. Spotton
1882 · Good
€50
Eduard Strasburger
1935 · Fine
€45
Asa Gray
1872 · Fair
€25
Alphonso Wood
1877 · Good
€50
Frederick Orpen Bower
1919 · Good
€30
James M. Macoun
1919 · Very good
€45
Jane H. Newell
1899 · Good
€40
Frederick Orpen Bower
1935 · Good
€35
George Bentham
1863 · Good
€50
Eduard Strasburger
1924 · Fine
€40
L. Bautain
1911 · Good
€45
J. Haak
1928 · Very good · NL
€30
Charles Darwin
1894 · Good
€45
Heindel, Max, Max Heindel
1918 · Very good
€30
Catherine Parr Traill, Agnes Fitzgibbon Chamberlin
1904 · Good
€35
Frederick Orpen Bower
1934 · Good
€50
Henry Nicholson Ellacombe
1887 · Very good
€45
Christopher Morley
1935 · Good
€30
Ralph Rodney Root
1935 · Fair
€25
John Merle Coulter
1915 · Very good
€40
W. J. Bean, D. L. Clarke
1921 · Very good
€50
Franz Wilhelm Junghuhn, Frans Junghuhn
1851 · Fair · NL
€40
John Elof Boodin
1935 · Fair
€15
Snyder, Harry
1925 · Good
€20
Thomas Henry Huxley
1904 · Good
€35
Jesse Feiring Williams
1924 · Fine
€35
Florence Bass
1894 · Very good
€45
Arabella B. Buckley
1887 · Good
€45
Edwin Checkley
1890 · Good
€50
Victor von Richter
1916 · Good
€25
James Martineau
1923 · Fine
€40
Denison Olmsted
1857 · Fair
€40
Campbell, Douglas Houghton
1911 · Fair
€25
Eleanour Sinclair Rohde
1922 · Good
€30
Arthur van Schendel
1921 · Fine · NL
€35
Grant Allen
1884 · Very good
€45
H. Newell Martin, Ernest Gale Martin
1904 · Fine
€40
E. L. Jackson
1935 · Very good
€45
José Mariano Moziño
1922 · Good
€20
Jean-Jacques Rousseau
1927 · Fine
€30
Wouter Hendrik Van Seters
1935 · Good · NL
€50
Pieter Cornelis Boutens
1916 · Very good · NL
€35
Charles Darwin
1919 · Good
€30
Stone, Witmer
1905 · Fair
€20
Annie Salomons
1935 · Good · NL
€20
Olof Hammarsten
1902 · Good
€25
Stijn Streuvels
1912 · Fair · NL
€15
Lewis Mumford
1935 · Very good
€25
Charles John Holmes
1935 · Very good
€35
Hendrik Blink
1925 · Fair · NL
€20
George Brant Bridgman
1920 · Very good
€45
S. Laing
1916 · Good
€50
University of Chicago.
1904 · Good
€30
Alfred Walter Stewart
1912 · Good
€25
Dallas Lore Sharp
1911 · Fair
€30
Worthington Hooker
1865 · Good
€50
Henri Poincaré, J. McKeen Cattell
1915 · Good
€50
Sargent, Charles Sprague
1905 · Good
€20
Edward Livingston Youmans
1896 · Good
€50
Charles Benedict Davenport
1935 · Fair
€45