Ramaswamy, Sumathy (1997), "Laboring for language", Passions of the Tongue: Language Devotion in Tamil India, 1891–1970, Berkeley: University of California Press, ISBN0-585-10600-2, "Nevertheless, even impressionistically-speaking, the marked decline in the use of foreign words, especially of Sanskritic origin, in Tamil literary, scholarly, and even bureaucratic circles over the past half century is quite striking."
ark.cdlib.org
Ramaswamy, Sumathy (1997), "Laboring for language", Passions of the Tongue: Language Devotion in Tamil India, 1891–1970, Berkeley: University of California Press, ISBN0-585-10600-2, "Nevertheless, even impressionistically-speaking, the marked decline in the use of foreign words, especially of Sanskritic origin, in Tamil literary, scholarly, and even bureaucratic circles over the past half century is quite striking."
Schiffman, Harold. "Diglossia as a Sociolinguistic Situation", in Florian Coulmas (ed.), The Handbook of Sociolinguistics. London: Basil Blackwell, Ltd., 1997 at pp. 205 et seq.
