Deiva Sundaram, N Tamil diglossia / by N Deiva Sundaram - 1st ed. - Tirunelveli : Nainar Pathippagam, 1981. - 64p. : Includes bibliographical references. Subjects--Topical Terms: Tamil languageDiglossia (Linguistics)--India--Tamil Nadu. Dewey Class. No.: 494.811019 / DEI/T