• Rao N.G., Textbook of Forensic Medicine and Toxicology, 1st Ed, 2000, JP Brothers Medical Publication Pvt Ltd., New Delhi, in Section - 15, Forensic Paedodontics, cited in Textbook of Paedodontics, Shobha Tandon, 1st Ed, 2001, Paras Publishing, Hyderabad, pp 717*.
• Rao N.G., Textbook of Forensic Medicine and Toxicology, 1st Ed, 2000, JP Brothers Medical Publication Pvt Ltd., New Delhi, by Adarsh Kumar, in Acute Pancreatitis-A acse Report, Jnl Karnataka Medicolegal Soc, Vol:10, No:1, 2001, pp 21-23**
• Rao N.G, Rao N N, Kotian M.S., Mandibular Canine Index - A Clue for Establishing Sex, Forensic Science International 42, 1989, pp: 249-254** cited as reference paper in Chapter 5, Determination of Sex Using Tooth, in 'Textbook of Forensic Odontology', by Dayal P K, Srinivasan S V, Rajesh P P, 1st Edition, 1998, Paras Publishing, Hyderabad, on pp 41 *
• Rao N G, Rao N N, Kotian M.S., Mandibular Canine Index - A Clue for Establishing Sex, Forensic Science International 42, 1989, pp: 249-254, cited as reference paper in 'A Cross-Sectional Study of Canine Dimorphism in Establishing Sex Identity: Comparison of Two Statistical Methods', by Sherfudhin H, Abdullah MA, Khan N, in Jnl. Oral Rehabil Sep; 23(9): 1996, pp: 627-31**
• Rao N G, Pail M L, Costal Cartilage Calcification Pattern - A clue for Establishing Sex Identity, Forensic Science International, 38, 1988, pp: 193-209, cited as reference paper (for further reading) in Chapter No: 3, Determination of Sex, in 'Forensic Pathology', Knight B, 2nd Ed, 1996, Arnold, London, pp 112**

* Indexed book ** Indexed National/ International book/ Jnl.