John Aubrey
1915 · Good
€45
William Ledley Vosburgh
1918 · Very good
€90
Joseph Louis Lagrange, Thomas J. McCormack
1898 · Good
€40
Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
Edouard Goursat
1933 · Very good
€30
Ron Larson
1906 · Good
€45
Joseph William Richards
1907 · Fair
€45
William Allen Whitworth
1870 · Very good
€55
W. W. Rouse Ball, H. S. M. Coxeter
1898 · Fair
€125
James Joseph Sylvester
1927 · Good
€30
Henri Poincaré, Nicolae Sfetcu
1919 · Very good
€100
Samuel Colman, Samuel Colman
1935 · Good
€30
Maximilien Marie
1925 · Fine
€35
P. Wijdenes
1932 · Very good · NL
€60
Charles Riborg Mann, George Ransom Twiss
1935 · Very good
€30
Michael Faraday
1874 · Fine
€65
Cassius Jackson Keyser
1935 · Good
€50
Balfour Stewart
1919 · Good
€20
Sir William Hamilton, 9th Baronet
1859 · Good
€75
Matthew Charteris
1916 · Fine
€80
Florian Cajori
1929 · Good
€65
Charles Riborg Mann
1916 · Very good
€35
Augustin Privat-Deschanel
1903 · Very good
€40
Heinrich Durège, George Egbert Fisher
1867 · Good
€60