Subject: Heteroglossia and other  Bakhtinian concepts

http://www.litencyc.com/php/stopics.php?rec=true&UID=510     Definition in <The Literary Encyclopedia>

http://en.wikipedia.org/wiki/Heteroglossia      <Wikipedia> definition

http://www.anthropology.emory.edu/Linganth/dialogism.html    Dialogism and Heteroglossia

http://www.english.upenn.edu/~jlynch/Terms/Temp/index.html    Jack Lynch's Glossary of Literary Theory Terminology