1. Allen, R.H. (1963) Star Names: Their Lore and Meaning. New York: Dover Publications.
2. Ashbrook, J. (1984a) Chapter 9. John Herschel’s expedition to South Africa. The Astronomical Scrapbook. Cambridge, U.K.: Cambridge University Press, pp. 37–41.
3. Ashbrook, J. (1984b) Chapter 42. Edmond Halley at St. Helena. The Astronomical Scrapbook. Cambridge, U.K.: Cambridge University Press, pp. 213–218.
4. Ashbrook, J. (1984c) Chapter 73. The visual Orion Nebula. The Astronomical Scrapbook. Cambridge, U.K.: Cambridge University Press, pp. 379–388.
5. Bakich, M.E. (1995) The Cambridge Guide to the Constellations. Cambridge, U.K.: Cambridge University Press.