William Bateson, Gregor Mendel
1906 · Good
€95
Charles Darwin
1884 · Very good
€100
K. F. Holle
1877 · Very good · NL
€95
Charles Darwin
1895 · Fair
€25
Neltje Blanchan
1898 · Fair
€30
Frank E. Beddard
1902 · Very good
€25
James Law
1891 · Very good
€110
Frederick Orpen Bower, Sydney Howard Vines
1903 · Fair
€45
Sanborn Tenney
1881 · Very good
€70
Montague Chamberlain
1891 · Good
€60
O. Charnock Bradley
1922 · Fair
€55
Gilman Arthur Drew
1921 · Very good
€35
Robert Ridgway
1887 · Very good
€85
Gebrüder Grimm [Brothers Grimm]
1879 · Good
€50
Nederlandsche Entomologische Vereeniging
1889 · Very good · NL
€90
Victor Ernest Shelford
1935 · Fair
€20
Jan Arnold Bennet
1852 · Very good · NL
€225
Mabel Osgood Wright
1903 · Good
€40
H. Koffyberg
1924 · Fair · NL
€20
Charles G. D. Roberts
1923 · Very good
€25
Hermann Löns
1903 · Very good · NL
€155
Ernst Heinrich Philipp August Haeckel
1903 · Good
€20
Aristotle
1882 · Good
€95
George Fleming
1877 · Fine
€65
Jacob Gijsbert Boerlage
1925 · Good · NL
€55
Leander Sylvester Keyser
1907 · Fine
€70
John Burroughs
1905 · Fair
€55
Doreen Cronin, Betsy Lewin
1935 · Good
€20
Lloyd Alexander
1902 · Good
€25
Patrick Geddes
1903 · Good
€70
Jules Michelet
1869 · Very good
€140
Peter Kropotkin
1925 · Very good
€35
Rudyard Kipling
1910 · Good
€40
Howell, Thomas
1909 · Very good
€30
Hendrik Adriaan Ewoud Modderman
1913 · Fair · NL
€40
Lewis F. Allen
1858 · Very good
€195
Alfred Russel Wallace
1881 · Very good
€250
C. A. Johns
1870 · Good
€40
Stefan Zweig
1935 · Good
€35
Claude Bernard
1870 · Very good
€130
Abraham Roger
1935 · Good · NL
€40
George Burton Adams
1935 · Good
€45
Beatrix Potter
1925 · Good
€100
Arie Mijnlieff
1881 · Good · NL
€120
G. A. Wilken
1902 · Very good · NL
€100
Luther E. Wyman
1927 · Fair
€40
Eskelhoff Carsjen Gravemeijer
1902 · Good · NL
€30
Robert Browning, Philip Kelley
1924 · Good
€100
John Aubrey
1915 · Good
€45
Alpheus S. Packard
1906 · Fine
€100
Hans Christian Andersen, Jin-kyeong Lee
1890 · Good
€70
Francis Polkinghorne Pascoe
1879 · Very good
€190
Royal Physical Society of Edinburgh
1877 · Good
€160
Salisbury, Rollin D.
1909 · Fine
€65
Volney Rattan
1881 · Good
€185
John Ruskin
1888 · Fair
€55
Ernest Thompson Seton
1929 · Fine
€35
Harm Bouwman
1916 · Very good · NL
€30
O. Charnock Bradley
1935 · Very good
€100
Abraham Kuyper
1869 · Very good · NL
€165