Will Durant
1919 · Good
€50
George Pólya, Gábor Szegő
1935 · Fair
€50
Charles Elam
1869 · Good
€40
Theodor Reik
1929 · Very good
€40
J. T. Crawford
1923 · Good
€25
Gilbert Keith Chesterton, CrossReach Publications
1918 · Good
€50
Just Havelaar
1935 · Fair · NL
€30
Kate Douglas Smith Wiggin
1926 · Very good
€30
John Ruskin
1907 · Good
€25
Herbert E. Cobb
1935 · Very good
€30
Lyndon Orr
1933 · Fair
€15
Josiah Royce
1914 · Fair
€25
Marie Corelli
1917 · Very good
€30
Bertrand Russell
1907 · Fair
€45
James Baldwin
1912 · Fair
€15
S. Weir Mitchell
1900 · Good
€25
John L. Stoddard
1900 · Very good
€25
Steven S. Zumdahl
1907 · Very good
€25
Ernest Howard Crosby
1913 · Very good
€25
George A. Cornish
1923 · Very good
€35
Charles MacLaurin
1934 · Very good
€40
Thomas Henry Huxley, James Paradis
1935 · Very good
€25
T. Sundara Rao
1905 · Fair
€15
Hamlin Garland, Jane Johnson
1898 · Very good
€45
George M. Gould
1900 · Fine
€35
Florian Cajori
1907 · Very good
€45
Agnes M. Clerke
1885 · Good
€45
Walter Kerr
1911 · Good
€20
Simon Newcomb
1917 · Good
€20
Samuel Schmucker Sadtler
1935 · Very good
€45
Logan, John Alexander, John Alexander Logan
1919 · Very good
€25
W. Hamilton Gibson
1914 · Fair
€15
Henry Ernest Dudeney
1935 · Fair
€25
Abraham Kuyper
1907 · Very good · NL
€30
William Henry Bragg
1925 · Fair
€20
W. Hamilton Gibson
1910 · Good
€20
Peter Kropotkin
1906 · Good
€45