Are There Lines in Folk Poetry?  
   Article by B. Hayes and M. MacEachern discussing meters and stanza structures in English folk poetry.
   http://www.humnet.ucla.edu/humnet/linguistics/people/hayes/lines.pdf

Brazilian Folklore: Cordel Literature  
   Folk poetry of northeastern Brazil.
   http://www.maria-brazil.org/cordel.htm

Drinking from the Well of Poetry  
   Nadia G. Yaqub's dissertation on tradition, composition, and identity in the oral Palestinian poetry duel (PDF format).
   http://www.unc.edu/~yaqub/pdfdiss/diss.html

Traditional Malay Verse - Pantun  
   Brief article on the Malay quatrain, which used to be an integral part of Malay life.
   http://www.kampungnet.com.sg/modules.php?op=modload&name=Sections&file=index&req=viewarticle&artid=2&page=1

Looking North Of The Greek World: The Slavic Folk Poetry of The Balkans  
   Curriculum materials comparing ancient Greek and Slavic folk poetry.
   http://www.yale.edu/ynhti/curriculum/units/1984/2/84.02.01.x.html

Ancient Poems, Ballads and Songs of the Peasantry of England  
   Taken down from oral recitation and transcribed from private manuscripts, rare broadsides and scarce publications.
   http://www.blackmask.com/books32c/olengdex.htm