Asa Gray
1890 · Very good
€95
Jonathan Pereira
1856 · Fine
€200
Heinrich Durège, George Egbert Fisher
1867 · Good
€60
Augustin Privat-Deschanel
1903 · Very good
€40
Alfred Payson Gage
1891 · Fair
€85
Henry Sidgwick
1893 · Good
€95
Florian Cajori
1929 · Good
€65
Henry E. Roscoe
1866 · Good
€150
Balfour Stewart
1919 · Good
€20
Jones Quain M.D.
1879 · Very good
€135
Félix Bungener
1891 · Good · NL
€140
Joseph Louis Lagrange, Thomas J. McCormack
1898 · Good
€40
Émile Durkheim
1915 · Very good
€25
Theodore Roosevelt, John Morse
1889 · Very good
€60
William Henry Seward, Frederick William Seward
1880 · Good
€200
Garrett Putman Serviss
1913 · Good
€35
Lewis Foreman Day
1910 · Very good
€25
George Frederick Kunz
1935 · Very good
€40
Ernst Heinrich Philipp August Haeckel
1911 · Very good
€110
Stewart Edward White
1935 · Good
€20
Michael Faraday
1874 · Fine
€65
Samuel Colman, Samuel Colman
1935 · Good
€30
Marcellus Emants
1900 · Very good · NL
€25
Frederick Orpen Bower, Sydney Howard Vines
1903 · Fair
€45
Joseph William Richards
1907 · Fair
€45
Garrett Putman Serviss
1909 · Good
€45
Charles Boardman Hawes
1927 · Good
€20
John Burroughs
1905 · Fair
€55
Lucien Geschwind
1934 · Good
€55
Daniel Webster
1854 · Good
€150
John Ruskin
1888 · Fair
€55
Charles M. Skinner
1900 · Very good
€110