It has been claimed that the limerick is the only fixed poetry form indigenous to the English language. This may or may not be true. In his book The Limerick (Bell Publishing Co., New York, 1964), a collection of very blue limericks, G. Legman traces the origin of the verse form back to the very beginnings of Anglo-Saxon literature. Most of his illustrations are rather forced.
Word Ways: Vol. 13
, Article 10.
Available at: http://digitalcommons.butler.edu/wordways/vol13/iss1/10