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

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