Columbia subject headings:
Harvard subject headings:
South Asians--Indonesia--Sumatera Utara.
Sumatera Utara (Indonesia)--Social life and customs.
Tamil (Indic people)--Indonesia--Sumatera Utara.
Princeton subject headings:
South Asians--Indonesia--Sumatera Utara.
Sumatera Utara (Indonesia)--Social life and customs.
Tamil (Indic people)--Indonesia--Sumatera Utara.