'52 ASTRONOMY. 



5202 Lepper, Q. H. From nebula to nebula. Pittsburgh 1919. 

 5202 Newcomb, S. The Stars: a study of the universe. 



Lond. 1904. 



5203 Valentiner, W. Handworterbuch der Astronomic. 



4 vols. Breslau 1897-1902. 



5204 Black, F. A. Problems in time and space. Lond. [1909]. 



5204 Gore, J. E. Studies in astronomy. Lond. 1904. 



5204 The Worlds of space. Lond. 1894. 



5204 Turner, H. H. Astronomical discovery. Lond. 1904. 



5205 PERIODICALS. 



5205 A.B. Astronomical register. Vols. 3-17. Lond. 1866-80. 

 5205 A,N. Astronomische Nachrichten. Vol. 6-> 



Altona, Kiel 1828-> 



5205 A.J. Astrophysical journal. Vol. 20-> Chicago 19Q4-> 

 52050. Observatory. Vol. l- Lond. 1878-> 



5206 A.M. Astronomical Society, Royal. Memoirs. Vol. 1-$- 



Lond. 1822-> 

 5206 A.N. Monthly notices. Vol. 7-> Lond. 1847-> 



5208 COLLECTED WORKS. 



52081 Arago, F. GEuvres completes. 17 vols. Paris 1854-62. 

 52081 Bessel, F. W. Abhandlungen. 3 vols. Leip. 1875-76. 

 52081 Darwin, Sir Q. H. Scientific papers. 4 vols. 



Camb. 1907-11. 



52081 Galilei, Q. Opere. 16 vols. Firenze 1842-56. 



52081 Herschel, Sir W. Scientific papers. 2 vols. 



Lond. 1912. 

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