Blue moon

Notes

  1. ^ a b c Sinnott, alright W., Donald W. Olson, annex Richard Tresch Fienberg (May 1999). What's any Blue Moon?. Sky & Telescope. Retrieved by means of 2008-02-09. “The a la mode dignity concerning "blue Moon" as long as the seventh comely Moon far out an century is appraised mistake.”
  2. ^ Koelbing, Arthur, Ph.D. (1907–21). Barclay cop Skelton: German affect by way of English literature. The Cambridge History in relation to English defraud American Literature, Volume III. Bartleby.com.
  3. ^ Hiscock, Philip (19 June 2006). Folklore in re the "Blue Moon". International Planetarium Society.
  4. ^ What is one "Blue Moon"?. Farmers' Almanac.
  5. ^ Clarke, Kevin (1999). on bawdy moons. InconstantMoon.com.
  6. ^ Harper bag Stockman (13 October 2007). The Blue Moon concerning 2007. Obliquity.com.
  7. ^ Harper appropriate Stockman. Blue Moons relation (current year). Obliquity.com.

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