Raghunathan R Malayala bhashotpathi: vivaranatmaka suchika (origin of the Malayalam language : a descriptive bibliography )/ by Raghunathan R - Thiruvananthapuram: Kerala Bhasha Institute, 1989. - 229p. Subjects--Topical Terms: Language Malayalam HistoryLanguage MalayalamLanguage Dewey Class. No.: M 494.812 09 / RAG/M