Database for Captive Elephants in Kerala, made 2009 by Surendra Varma, E.K. Easwaran, T.S. Rajeev, Marshal.C.Radhakrishnan, S. R. Sujata and Nibha Namboodiri , India, available online at Database for Captive Elephants in Kerala Retrieved 2018-11-01.
Districtwise details of Captive Elephants of Kerala by Kerala Forest Department, India
Database for Captive Elephants and their Mahouts in Karnatakamade 2009 by Surendra Varma, Shiela Rao, Suparna Ganguly and Rajendra Hasbhavi, India
