C. A. Johns
1870 · Good
€40
Christiaan Lodewijk Houthuysen
1930 · Good · NL
€30
Frederick Orpen Bower
1934 · Good
€50
Hendrik Blink
1925 · Fair · NL
€20
Howell, Thomas
1909 · Very good
€30
J. Reynolds Green
1916 · Fair
€20
J. Haak
1928 · Very good · NL
€30
Carlton C. Curtis
1907 · Fine
€50
Adolf Engler
1917 · Good
€25
Snyder, Harry
1925 · Good
€20
H. B. Spotton
1882 · Good
€50
Phillips Brooks
1900 · Fair
€40
Charles Darwin
1894 · Good
€45
Eduard Strasburger
1935 · Fine
€45
Frederick Orpen Bower
1935 · Good
€35
Frederick Orpen Bower, Sydney Howard Vines
1903 · Fair
€45
Campbell, Douglas Houghton
1911 · Fair
€25
Charles Darwin
1895 · Fair
€25
Stijn Streuvels
1912 · Fair · NL
€15
Julie Hoek
1930 · Very good · NL
€35
Charles W. Nash
1902 · Good
€25
John Francis Campbell
1865 · Good
€50
Mabel Osgood Wright
1903 · Good
€40
Ralph Rodney Root
1935 · Fair
€25
Asa Gray
1872 · Fair
€25
André Gide
1931 · Very good
€25
John Merle Coulter
1915 · Very good
€40
T. Takakura, Tadashi Takakura
1901 · Fair
€40
Phillips Brooks
1911 · Very good
€25
Peter Kropotkin
1903 · Fair
€15
Arabella B. Buckley
1887 · Good
€45
Heindel, Max, Max Heindel
1918 · Very good
€30
Abraham Kuyper
1911 · Fine · NL
€30
Frederick Orpen Bower
1919 · Good
€30
Wouter Hendrik Van Seters
1935 · Good · NL
€50
Arthur Radclyffe Dugmore
1914 · Very good
€50
Robert Hooke
1896 · Fair
€35
Christopher Morley
1935 · Good
€30
Frederick A. Ober
1883 · Fair
€30
Verney Lovett Cameron, Daniel Oliver
1912 · Good
€25
Archibald Rogers
1926 · Good
€25
Marcellus Emants
1900 · Very good · NL
€25
Marcellus Emants
1904 · Good · NL
€20
Arthur van Schendel
1921 · Fine · NL
€35
Alphonso Wood
1877 · Good
€50
Eduard Strasburger
1924 · Fine
€40
Vincent L. Milner
1867 · Fair
€30
George Scott Robertson, Arthur David McCormick
1900 · Very good
€30
Edward Carpenter
1906 · Good
€25
Pieter Joseph Cruse
1911 · Fine · NL
€30
Henry Nicholson Ellacombe
1887 · Very good
€45
M. Buys
1935 · Good · NL
€25
Frank Hall Thorp
1906 · Good
€25
Thompson, D'Arcy Wentworth
1931 · Fine
€35
Alpheus S. Packard
1904 · Good
€25
John Burroughs
1894 · Good
€45
Catherine Parr Traill, Agnes Chamberlin
1923 · Good
€25
Richard A. Proctor
1918 · Good
€50
William Morris
1900 · Good
€30
Charles John Holmes
1935 · Very good
€35