Alexander, P. C. (1946-01-01). The Dutch in Malabar (in ஆங்கிலம்). Annamalai University. p. 4.
Education, Kerala (India) Dept of; Menon, A. Sreedhara (1962-01-01). Kerala District Gazetteers: Trivandrum (in ஆங்கிலம்). Superintendent of Government Presses. p. 146.