Denison Olmsted
1857 · Fair
€40
Camille Flammarion
1887 · Fine
€80
Garrett Putman Serviss
1911 · Fair
€50
Denison Olmsted
1881 · Good
€100
John Keill
1741 · Good
€415
Garrett Putman Serviss
1935 · Good
€95
Wilkins, John
1643 · Good
€485
Simon Newcomb
1917 · Good
€20
Samuel Vince
1843 · Good
€75
Amédée Guillemin
1886 · Very good
€205
Samuel Pierpont Langley
1889 · Good
€45
Margaret Bryan
1800 · Good
€210
Galileo Galilei
1664 · Very good
€2,345
Richard A. Proctor
1918 · Good
€50
William Tyler Olcott
1935 · Fair
€15
John Herbert Sangster
1863 · Good
€75
Garrett Putman Serviss
1909 · Good
€45
Garrett Putman Serviss
1913 · Good
€35
W. Brennand
1903 · Very good
€70
Sir Robert Stawell Ball
1920 · Fair
€15
Comstock, George C.
1923 · Fair
€15
Elijah H. Burritt
1866 · Good
€60
John Joly
1932 · Very good
€75
John Burroughs
1886 · Very good
€200
Garrett Putman Serviss
1907 · Fair
€30
Immanuel Kant
1801 · Good
€95
Percival Lowell
1907 · Very good
€25
Walter W. Bryant
1907 · Good
€25
Agnes M. Clerke
1885 · Good
€45
Simon Newcomb
1903 · Good
€45
Guy Consolmagno, Dan M. Davis
1766 · Very good
€810
Elijah H. Burritt
1862 · Good
€125
Yogananda Paramahansa
1931 · Fine
€125
Simon Newcomb
1910 · Good
€20
John Bentley
1836 · Very good
€120
Elias Loomis
1854 · Good
€105
Robert Ellis, F.L.S.
1852 · Very good
€110
John Frederick William Herschel
1856 · Very good
€55
Arthur Stanley Eddington
1924 · Good
€35
John Ruskin
1888 · Fair
€55
Alexander von Humboldt
1858 · Good
€110
Elias Loomis
1902 · Fine
€55
John William Norie
1886 · Good
€50
Aristotle
1561 · Very good
€915
Heindel, Max, Max Heindel
1918 · Very good
€30
O. M. Mitchel
1852 · Good
€45
Jeremias Drexel
1684 · Very good
€1,420
Royal Astronomical Society
1879 · Very good
€80
Albert Verwey
1916 · Very good · NL
€55
Timothy Harley
1917 · Fair
€75
Gerrard Hickson
1922 · Very good
€35
Johann Wolfgang von Goethe
1816 · Good
€100
Felix O'Gallagher
1786 · Good
€265
Thomson, Thomas
1802 · Very good
€160
J. H. Poynting
1922 · Very good
€35
Seneca the Younger
1531 · Fair
€1,440
Arabella B. Buckley
1887 · Good
€45
Elias Loomis
1883 · Very good
€120
Michael Faraday
1874 · Fine
€65
Marcet Mrs
1828 · Good
€155