Felix Klein
1909 · Good
€80
Jerome Klapka Jérôme
1914 · Very good
€55
Charles Elam
1869 · Good
€40
Will Durant
1919 · Good
€50
Patrick A. Finney
1935 · Very good
€60
Harm Bouwman
1916 · Very good · NL
€30
Thomas Carlyle
1854 · Very good
€70
Thomas Green Fessenden
1808 · Very good
€330
Gilbert Keith Chesterton, CrossReach Publications
1918 · Good
€50
Just Havelaar
1935 · Fair · NL
€30
J. T. Crawford
1923 · Good
€25
Bertrand Russell
1935 · Good
€90
George Pólya, Gábor Szegő
1935 · Fair
€50
W. W. Rouse Ball, H. S. M. Coxeter
1898 · Fair
€125
Mary Whiton Calkins
1910 · Very good
€35
Josiah Royce
1928 · Very good
€80
Robert Louis Stevenson
1893 · Good
€65
Ellen Gould Harmon White, E. G. White
1865 · Very good
€75
Thomas Browne
1652 · Very good
€1,335
Augustus De Morgan
1903 · Very good
€60
J. J. Graham Brown
1901 · Very good
€50
Hamlin Garland, Jane Johnson
1898 · Very good
€45
Samuel Stanhope Smith
1793 · Fine
€925
Theodor Reik
1929 · Very good
€40
Thomas Browne
1651 · Good
€520
Herbert E. Cobb
1935 · Very good
€30
Gerrard Hickson
1922 · Very good
€35
John Ruskin
1907 · Good
€25
George Bernard Shaw
1929 · Good
€50
Garrett Putman Serviss
1913 · Good
€35
Camille Flammarion
1887 · Fine
€80
Glyn James
1923 · Good
€55
George M. Gould
1900 · Fine
€35
Kate Douglas Smith Wiggin
1926 · Very good
€30
Florian Cajori
1907 · Very good
€45
J. G. Millingen
1848 · Very good
€160
H. Stanley Redgrove
1935 · Fair
€15
Agnes M. Clerke
1885 · Good
€45
Thomas Vincent
1679 · Fine
€1,005
Garrett Putman Serviss
1935 · Good
€95
Garrett Putman Serviss
1909 · Good
€45
Jean Cocteau
1903 · Good
€20
Walter Kerr
1911 · Good
€20
Guy Consolmagno, Dan M. Davis
1766 · Very good
€810
Andrew Lang
1871 · Very good
€50
Simon Newcomb
1917 · Good
€20
Christiaan Lodewijk Houthuysen
1930 · Good · NL
€30
Samuel Schmucker Sadtler
1935 · Very good
€45
William Thomson Kelvin
1889 · Very good
€165
Logan, John Alexander, John Alexander Logan
1919 · Very good
€25
Garrett Putman Serviss
1911 · Fair
€50
Edward Young
1745 · Very good
€305
James Baldwin
1913 · Fair
€35
W. Hamilton Gibson
1914 · Fair
€15
George MacDonald
1874 · Good
€70
Benjamin Rush
1805 · Good
€150
Robert Ellis, F.L.S.
1852 · Very good
€110
James Lind
1786 · Good
€360
Henry Ernest Dudeney
1935 · Fair
€25
Sir Robert Stawell Ball
1920 · Fair
€15