1. Balgir RS 1997. Khonds - Health status. In: T Madhava Menon, C Sivathanu, KP Prasanth, M Sasikumar and PRG Mathur (Eds.): The Encyclopedia of Dravidian Tribes. Trivandrum: International School of Dravidian Linguistics 2: 160–163.
2. Bhatia HM 1977. Procedures in Blood Banking and Immuno-hematology. Mumbai: Blood Group Reference Centre (ICMR).
3. Strickberger MW 1999. Genetics. 3rd Edn. New Delhi: Prentice-Hall of India Pvt. Ltd., pp.184.