Richard Jefferies
1918 · Fair
€15
William Tyler Olcott
1935 · Fair
€15
C. A. Johns
1870 · Good
€40
John Burroughs
1905 · Fair
€55
Winston S. Churchill
1906 · Good
€40
Henry William Herbert
1850 · Fair
€45
Luther E. Wyman
1927 · Fair
€40
Michael Faraday
1874 · Fine
€65
Balfour Stewart
1919 · Good
€20
Wilmore, Albert.
1921 · Good
€35
Thomas Whittaker
1907 · Good
€95
Florian Cajori
1929 · Good
€65
Joseph William Richards
1907 · Fair
€45
E. T. Whittaker, Sir William McCrae
1906 · Good
€35
Clive Bell
1935 · Very good
€120
Ron Larson
1906 · Good
€45
Heinrich Durège, George Egbert Fisher
1867 · Good
€60
P. Wijdenes
1932 · Very good · NL
€60
Garrett Putman Serviss
1913 · Good
€35
Ernst Heinrich Philipp August Haeckel
1911 · Very good
€110
Augustin Privat-Deschanel
1903 · Very good
€40
Marcellus Emants
1900 · Very good · NL
€25
O. Charnock Bradley
1922 · Fair
€55
Joseph Louis Lagrange, Thomas J. McCormack
1898 · Good
€40
James Clerk Maxwell
1881 · Good
€125