C. Bruhns
1920 · Very good
€55
E. R. Hedrick
1920 · Very good
€60
Lewis Carroll
1914 · Very good
€25
Lewis Carroll
1918 · Very good
€80
Louis Couturat
1935 · Good
€70
René Descartes
1912 · Very good
€85
Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
Aristotle
1901 · Good
€70
Morris Raphael Cohen
1935 · Fine
€35
Harold Hilton
1914 · Good
€65
Ludwig Wittgenstein, Isidoro Reguera Pérez
1935 · Good
€45
Ron Larson, Roland E. Larson
1920 · Fair
€55
Florian Cajori
1907 · Very good
€45
G. N. Watson
1935 · Good
€20
Hermann Cäsar Hannibal Schubert
1927 · Good
€65
Ron Larson
1931 · Fair
€20
A. S. Neill
1933 · Good
€90
Edmund Husserl
1913 · Good
€45
P. Wijdenes
1932 · Very good · NL
€60
F. H. Loring
1923 · Very good
€120
Edouard Goursat
1933 · Very good
€30
Carl David Tolmé Runge
1916 · Fine
€50
G. H. Hardy, T. W. Körner
1935 · Very good
€25
Ron Larson
1906 · Good
€45
David Eugene Smith
1917 · Very good
€70
F. S. Macaulay
1922 · Fine
€135
Leonard E. Dickson
1930 · Very good
€45
Cassius Jackson Keyser
1935 · Good
€50
R. C. Boer
1926 · Very good · NL
€50
Gerrard Hickson
1922 · Very good
€35
Joseph William Richards
1907 · Fair
€45
Ernst Cassirer
1930 · Good
€30
Herbert E. Cobb
1935 · Very good
€30
Wilmore, Albert.
1921 · Good
€35
Adriaan Pit
1930 · Good · NL
€25
Karl Pearson
1934 · Fine
€30
Isaac Barrow
1922 · Fine
€75
Alfred North Whitehead
1921 · Good
€20
Foster Dee Snell, Cornelia T. Snell
1934 · Very good
€30
G. H. Hardy, J. G. Leathem
1916 · Fine
€35
Robert Edouard Moritz
1914 · Very good
€95
Augustus De Morgan
1903 · Very good
€60
Louis Bathe Rawling
1935 · Good
€55
Richard Courant
1927 · Good
€35
Charles Riborg Mann
1916 · Very good
€35
J. T. Crawford
1923 · Good
€25
Balfour Stewart
1919 · Good
€20
H. Stanley Redgrove
1935 · Fair
€15
Carl Joseph West
1920 · Very good
€45
Garrett Putman Serviss
1913 · Good
€35
Joseph Pohle
1924 · Very good
€30
Salisbury, Rollin D.
1909 · Fine
€65
J. G. Leathem
1919 · Fair
€15
Silvanus Phillips Thompson
1935 · Very good
€35
Christine P. Dancey, John Reidy
1935 · Good
€55
Garrett Putman Serviss
1909 · Good
€45
Walter E. Thirring
1906 · Fine
€40
Charles Benedict Davenport
1935 · Fair
€45
H. Stanley Redgrove
1911 · Fine
€170
Florian Cajori
1929 · Good
€65