Carl Friedrich Gauss
1817 · Fine
€130
Simon Newcomb
1903 · Good
€45
Garrett Putman Serviss
1907 · Fair
€30
Garrett Putman Serviss
1913 · Good
€35
A. Oliver
1795 · Fine
€480
Nicolaus Copernicus
1544 · Very good
€750
Johann Amos Comenius
1661 · Very good
€965
O. M. Mitchel
1852 · Good
€45
T. W. Webb
1886 · Very good
€145
Garrett Putman Serviss
1902 · Good
€40
William Tyler Olcott
1935 · Fair
€15
Camille Flammarion
1887 · Fine
€80
Denison Olmsted
1857 · Fair
€40
Όμηρος
1594 · Good
€720
Percival Lowell
1907 · Very good
€25
Ira Remsen
1888 · Very good
€120
Robert Ellis, F.L.S.
1852 · Very good
€110
Guy Consolmagno, Dan M. Davis
1766 · Very good
€810
Frederick Orpen Bower, Sydney Howard Vines
1903 · Fair
€45
Denison Olmsted
1881 · Good
€100
W. H. Hudson
1935 · Good
€105
Garrett Putman Serviss
1935 · Good
€95
Wilkins, John
1643 · Good
€485
Gerhardus Havingha
1744 · Good · NL
€350
Montague Chamberlain
1891 · Good
€60
Garrett Putman Serviss
1911 · Fair
€50
Garrett Putman Serviss
1909 · Good
€45
Johannes Kepler
1859 · Good
€140
British Ornithologists' Union
1868 · Good
€105
Richard A. Proctor
1918 · Good
€50
Martín Cortés
1570 · Good
€745
E. T. Whittaker, Sir William McCrae
1906 · Good
€35
Orville J. Nave
1905 · Fair
€35
Amédée Guillemin
1886 · Very good
€205
Alfred A. Robb
1935 · Very good
€55
Erasmus Darwin
1800 · Fair
€65
Elias Loomis
1902 · Fine
€55
Salomon Reinach
1935 · Fair
€15
Charles Fort
1933 · Fair
€35
British Ornithologists' Union
1907 · Fair
€45
John William Norie
1886 · Good
€50
Simon Newcomb
1917 · Good
€20
John Hunter FRS
1839 · Good
€245
Elijah H. Burritt
1866 · Good
€60
Margaret Bryan
1800 · Good
€210
Frederick Orpen Bower
1934 · Good
€50
William Chauvenet
1899 · Very good
€45
Samuel Philip Sadtler
1897 · Fair
€75
Freda Dinn
1903 · Very good
€35
Felix O'Gallagher
1786 · Good
€265
Elias Loomis
1854 · Good
€105
David Ames Wells, George Bliss
1855 · Fine
€85
Barton Cooke Hirst
1923 · Very good
€70
Elijah H. Burritt
1862 · Good
€125
Justus von Liebig
1856 · Fair
€70
Michael Faraday
1874 · Fine
€65
Nuttall, Thomas
1896 · Fair
€55
Samuel Pierpont Langley
1889 · Good
€45
Bertrand Russell
1935 · Good
€85
Eduard Daniel van Oort
1922 · Fair · NL
€80