Henry Gray F.R.S., Henry Vandyke Carter
1915 · Fine
€50
Koninklijk Nederlands Meteorologisch Instituut.
1926 · Good · NL
€30
Karl Fink
1904 · Very good
€40
William Craft, Ellen Craft
1869 · Fair
€60
John Frederick William Herschel, George Foster
1864 · Very good
€85
Larry L. Mai
1925 · Very good
€65
Earl Derr Biggers, Robert Welles Ritchie
1932 · Fine
€90
Daniel John Cunningham
1919 · Very good
€40
G. N. Watson
1935 · Good
€20
Amédée Guillemin
1886 · Very good
€205
Henry T. Butlin
1893 · Fair
€35
William Tyler Olcott
1935 · Fair
€15
Luke Hebert
1889 · Good
€65
John Freind
1727 · Very good
€225
Richard von Krafft-Ebing, Krafft/
1892 · Fine
€215
H. B. Spotton
1882 · Good
€50
Samuel Philip Sadtler, Henry Trimble
1928 · Very good
€30
Carl Joseph West
1920 · Very good
€45
Paul Frédéricq
1903 · Very good · NL
€85
Joseph Pennell
1915 · Very good
€50
Peter Barlow
1872 · Good
€45
René Vallery-Radot
1903 · Very good
€35
Yogananda Paramahansa
1931 · Fine
€125
William Thomson Kelvin
1889 · Very good
€165
Rudolf von Wagner
1871 · Very good
€70
Antonie Hendrik Schoemaker
1868 · Good · NL
€140
Norman Robert Campbell
1907 · Good
€30
Leonard E. Dickson
1930 · Very good
€45
F. S. Macaulay
1922 · Fine
€135
Henry P. Bowie
1935 · Good
€30
Charles Darwin
1895 · Fair
€25
Thomas Troward
1922 · Good
€30
William Whewell
1848 · Fine
€145
Bertrand Russell
1916 · Good
€80
Georg Eberhard Rumpf
1736 · Fair · NL
€375
Nico H. J. Pijls, N.H. Pijls
1904 · Good
€75
Paracelsus
1896 · Good
€130
Elias Loomis
1902 · Fine
€55
Titus Lucretius Carus, Hugh Andrew Johnstone Munro
1586 · Fine
€1,715
Henri Poincaré
1910 · Fine
€30
John Ruskin
1872 · Fine
€125
Eugène Pittard
1926 · Good
€20
F. H. Bradley
1905 · Good
€30
I. F. Henderson
1926 · Very good
€40
Richard Hakluyt
1869 · Good
€40
Willem Bilderdijk
1864 · Good · NL
€85
Frank E. Beddard
1902 · Very good
€25
Haldane Macfall
1935 · Very good
€50
Francis Delafield
1901 · Very good
€35
George Brant Bridgman
1920 · Very good
€45
Alfred Walter Stewart
1912 · Good
€25
Spyri, Johanna
1880 · Very good
€115
Arthur Quiller-Couch
1935 · Good
€60
Robert Edouard Moritz
1914 · Very good
€95
Willem Bilderdijk
1821 · Fair · NL
€135
John H. Vanderpoel
1935 · Good
€20
British Museum (Natural History). Dept. of Mineralogy.
1916 · Good
€60
William A. Alcott
1887 · Fair
€40
John Couch Adams, J. W. L. Glaisher
1903 · Good
€30
William Archer
1925 · Fair
€55