A dictionary of the Nancowry dialect of the Nicobarese language : in two parts: Nicobarese-English
and English-Nicobarese. - Calcutta : Printed at the Home Dept. Press, 1884
Internet, http://blpc.bl.uk, 2001-03-04
Vocabulary of dialects spoken in the Nicobar and Andaman isles : with a short account
of the natives, their customs and habits, and of previous attempts at colonisation
/ Fr. Ad. de Roepstorff, 1987