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 Dibbon-Smith, Richard. The Constellations. 1996-2007.  <http://www.dibonsmith.com/>.

 Dolan, Chris.  The Constellations and their Stars.   <http://www.astro.wisc.edu/~dolan/constellations/>.

 Kronberg, C.  Constellations.  1996-2002.  <http://www.maa.mhn.de/Maps/Const/constS.html>.