2 links
Facts about Dravidian Languages
flonnet.com
Review (written by E. Annamalai) of the Cambridge University Press publication "The Dravidian Languages", by Bhadriraju Krishnamurti.
Kodava Speech Community: An Ethnolinguistic Study
languageinindia.com
An article on the Kodava language, its speakers, and its relationships with other languages and Kodava culture. From 'Language in India'.