1. The Anthropic Cosmological Principle;Barrow,1986
2. The Structure of Meteoroids;Beech;Mon. Not. Roy. Astron. Soc.,1984
3. A Popular History of Astronomy;Clerke,1885
4. Latin Terminology relating to Auroræ, Comets, Meteors, and Novæ;Dall'olmo;Journ. Hist. Astron.,1980
5. Early Greek Astronomy to Aristotle;Dicks,1970