Charles Darwin
1909 · Fine
€90
Joseph Le Conte
1928 · Very good
€30
Sir William Osler
1921 · Fair
€20
William Beebe
1922 · Very good
€60
Sir Francis Galton
1923 · Good
€20
Carlton C. Curtis
1907 · Fine
€50
Eugène Pittard
1926 · Good
€20
Adolf Engler
1917 · Good
€25
T. Jeffery Parker
1907 · Fair
€55
Julie Hoek
1930 · Very good · NL
€35
Sedgwick, Adam
1915 · Very good
€95
Alpheus S. Packard
1904 · Good
€25
British Museum (Natural History). Dept . of Zoology, Eugene William Oates
1907 · Very good
€80
Frederick Bogue Noyes
1935 · Very good
€45
J. Reynolds Green
1916 · Fair
€20
Robert T. Gunther
1923 · Fair
€75
Nederlandse Mycologische Vereniging
1918 · Fair · NL
€15
W. Simon
1912 · Good
€70
Carl Gustav Jung
1915 · Very good
€25
Thomas Vicary
1934 · Good
€75
William Kingdon Clifford
1914 · Fair
€35
Nathaniel Southgate Shaler
1915 · Fair
€30
Upton Sinclair
1927 · Very good
€75
Grant Allen
1935 · Good
€75
William Dean Howells
1915 · Very good
€40
Charles Almanzo Babcock
1935 · Fine
€75
Hubert Howe Bancroft
1905 · Good
€25
John Joly
1932 · Very good
€75
Hilaire Belloc
1929 · Fine
€35
Catherine Parr Traill, Agnes Chamberlin
1923 · Good
€25
Charles Fort
1933 · Fair
€35
Catherine Parr Traill, Elizabeth Thompson
1908 · Fair
€20
Christiaan Lodewijk Houthuysen
1930 · Good · NL
€30
Alfred Wegener
1906 · Very good
€55
Ernest Thompson Seton
1912 · Fair
€25
Martin Klopstock
1911 · Good
€35
Miller, William J.
1935 · Fair
€20
Yogananda Paramahansa
1931 · Fine
€125
Margery Williams Bianco
1935 · Good
€20
H. G. Wells
1929 · Very good
€25
Worthington Hooker
1906 · Very good
€30
Gilbert White, Anne Secord
1926 · Good
€20
Robert Flint
1932 · Very good
€40
Georg Wilhelm Friedrich Hegel
1935 · Good
€100
Harriman Alaska Expedition (1899)
1901 · Very good
€70
Frank Michler Chapman
1935 · Fine
€55
Maria Montessori
1931 · Good
€110
Johannes Hoops
1911 · Good
€65
Krogh, August
1935 · Very good
€85
Sir William Osler
1919 · Very good
€50
Garrett Putman Serviss
1935 · Good
€95
Max Scheler
1935 · Good
€20
Heber W. Youngken
1935 · Fine
€110
Catherine Parr Traill
1900 · Very good
€50
Carl Lumholtz
1935 · Fair
€35
George Santayana
1935 · Very good
€75
Victor Horsley
1902 · Very good
€55
Walter W. Bryant
1907 · Good
€25
John Cowper Powys
1933 · Very good
€50
Mackinder, Halford John Sir
1922 · Very good
€35