F. S. Macaulay
1922 · Fine
€135
J. T. Crawford
1923 · Good
€25
Ron Larson
1931 · Fair
€20
Hermann Cäsar Hannibal Schubert
1927 · Good
€65
Louis Couturat
1935 · Good
€70
H. A Derksen
1905 · Fair · NL
€55
Augustus De Morgan
1903 · Very good
€60
Ron Larson, Roland E. Larson
1920 · Fair
€55
Alfred North Whitehead
1921 · Good
€20
Henry B. Maglathlin
1869 · Very good
€50
G. H. Hardy, T. W. Körner
1935 · Very good
€25
Florian Cajori
1907 · Very good
€45
Bertrand Russell
1916 · Good
€80
J. Hamblin Smith, Thomas Kirkland
1881 · Good
€70
E. R. Hedrick
1920 · Very good
€60
David Eugene Smith
1917 · Very good
€70
Erwin Madelung
1935 · Fine
€40
Bertrand Russell
1932 · Very good
€90
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
Herbert E. Cobb
1935 · Very good
€30
Lewis Carroll
1914 · Very good
€25
Carl Joseph West
1920 · Very good
€45
Karl Fink
1904 · Very good
€40
C. Bruhns
1920 · Very good
€55