Steven S. Zumdahl
1907 · Very good
€25
Arthur A. Noyes
1935 · Good
€20
G. H. Hardy, T. W. Körner
1935 · Very good
€25
Frederick Orpen Bower, Sydney Howard Vines
1903 · Fair
€45
John Dewey
1910 · Fine
€30
Carl David Tolmé Runge
1916 · Fine
€50
Lewis Carroll
1914 · Very good
€25
University of Chicago. Press.
1913 · Good
€50
George A. Cornish
1923 · Very good
€35
T. Sundara Rao
1905 · Fair
€15
Claude Irwin Palmer
1912 · Good
€20
Friedrich Fröbel
1913 · Good
€20
Balfour Stewart
1919 · Good
€20
Jan Jacob Bruins
1935 · Very good · NL
€45
Alfred North Whitehead, Bertrand Russell
1911 · Very good
€25
Wilbur Pardon Bowen
1935 · Good
€50
J. T. Crawford
1923 · Good
€25
F. Matthias Alexander
1935 · Fine
€35
Nathan Altshiller-Court
1926 · Fair
€35
Ron Larson
1906 · Good
€45
L. A. Waterbury
1913 · Fine
€45
Matthias Ehrgott
1912 · Very good
€50
Ron Larson
1931 · Fair
€20
Arthur A. Stevens
1925 · Good
€25
Charles Riborg Mann
1916 · Very good
€35
Paul Klee
1935 · Very good
€25
A. S. Neill
1935 · Very good
€45
Friedrich Fröbel
1919 · Good
€20
Otto Zuckerkandl
1922 · Good
€45
W. W. Rouse Ball
1935 · Fair
€15
Henri Poincaré, J. McKeen Cattell
1915 · Good
€50
Robert K. Gable, Marian B. Wolf
1926 · Good
€40
Abraham Flexner
1920 · Very good
€30
R. G. Collingwood
1929 · Good
€35
W. W. Rouse Ball
1901 · Fair
€30
Garrett Putman Serviss
1909 · Good
€45
Rabindranath Tagore
1917 · Very good
€35
Herbert E. Cobb
1935 · Very good
€30
R. Fletcher
1922 · Good
€20
L. Bautain
1911 · Good
€45
Francis Bacon
1930 · Fair
€45
Klikspaan
1935 · Fair · NL
€35
Samuel Pierpont Langley
1903 · Good
€20
Edouard Goursat
1933 · Very good
€30
John Dewey
1901 · Good
€45
Leslie Brainerd Arey
1924 · Very good
€45
Norman Robert Campbell
1907 · Good
€30
Jules Bernard Luys
1909 · Good
€25
Lotta Jean Bogert
1935 · Fair
€20
Augustin Privat-Deschanel
1903 · Very good
€40
Richard A. Proctor
1918 · Good
€50
Vreeswijk, Johannes Adrianus, jr.
1909 · Good · NL
€25
Foster Dee Snell, Cornelia T. Snell
1934 · Very good
€30
Martin Klopstock
1911 · Good
€35
Samuel Schmucker Sadtler
1935 · Very good
€45
George Percival Mills
1935 · Very good
€25
Hugo D. Froehlich, Bonnie E. Snow
1928 · Very good
€25
Mark F. Boyd
1926 · Very good
€25
Edwin Emery Slosson
1935 · Very good
€40
Moore, R.
1912 · Good
€25