Sir Robert Stawell Ball
1920 · Fair
€15
Garrett Putman Serviss
1911 · Fair
€50
Garrett Putman Serviss
1909 · Good
€45
Garrett Putman Serviss
1907 · Fair
€30
Garrett Putman Serviss
1913 · Good
€35
Arthur Stanley Eddington
1924 · Good
€35
Richard A. Proctor
1868 · Fair
€105
William Tyler Olcott
1935 · Fair
€15
Grant, Robert
1852 · Fine
€130
Jules Verne
1888 · Very good
€50
Samuel Pierpont Langley
1889 · Good
€45
Garrett Putman Serviss
1902 · Good
€40
John Meade Falkner
1909 · Good
€30
James Clerk Maxwell
1881 · Good
€125
Michael Faraday
1874 · Fine
€65
Sinclair Lewis
1935 · Good
€25
Apsley Cherry-Garrard
1930 · Fair
€35
Gaylord Johnson
1935 · Very good
€60
T. W. Webb
1886 · Very good
€145
Alexandre Dumas
1851 · Very good
€60
Balfour Stewart
1919 · Good
€20
Royal Astronomical Society
1879 · Very good
€80
W. W. Rouse Ball, H. S. M. Coxeter
1898 · Fair
€125
Mabel Osgood Wright
1903 · Good
€40
Stephen Leacock
1932 · Good
€25
John Ruskin
1873 · Very good
€105
A. Wilmer Duff
1916 · Very good
€65
Charles Wilkes
1851 · Very good
€190
Robert Michael Ballantyne
1864 · Good
€90
Edward Carpenter
1906 · Good
€25
Amédée Guillemin
1892 · Good
€85
John Palliser
1862 · Good
€35
O. M. Mitchel
1892 · Very good
€55
Daniel Webster
1854 · Good
€150
Richard Hakluyt
1869 · Good
€40
Frank Thomas Bullen
1935 · Good
€40
Robert W. Chambers
1925 · Fine
€45
Jacob Abbott
1864 · Fair
€40
Florian Cajori
1929 · Good
€65
Oscar Wilde
1930 · Very good
€30
Hermann Weyl
1921 · Very good
€80
Martin Robison Delany
1865 · Good
€40
Sven Hedin, Alfhild Huebsch
1935 · Good
€60
Johannes Kepler
1859 · Good
€140
E. T. Whittaker, Sir William McCrae
1906 · Good
€35
G. A. Henty
1911 · Very good
€115
Richard Jefferies
1918 · Fair
€15
Worthington Hooker
1883 · Very good
€130
George Boole
1856 · Good
€90
Charles Darwin
1853 · Good
€55
Alfred Payson Gage
1891 · Fair
€85
Cassius Jackson Keyser
1935 · Good
€50
Jules Michelet
1869 · Very good
€140
Hugh S. Taylor
1933 · Good
€55
J. Greig Smith
1900 · Fine
€120
Richard C. Cabot
1908 · Good
€40
Alfred Newton
1935 · Good
€75
Routh, Edward John
1920 · Good
€60
Augustin Privat-Deschanel
1903 · Very good
€40
Grant Allen
1910 · Good
€40