Columbia subject headings:
Dissertations, Academic--Bibliography.
Tamil Nadu (India)--Civilization--Bibliography.
Tamil philology--Bibliography.
Harvard subject headings:
Dissertations, Academic--Bibliography.
Tamil Nadu (India)--Civilization--Bibliography.
Tamil philology--Bibliography.
Princeton subject headings:
Dissertations, Academic--Bibliography.
Tamil Nadu (India)--Civilization--Bibliography.
Tamil philology--Bibliography.