A. Sonakia and H. de Lumley. Narmada Homo erectus--A possible ancestor of the modern Indian. C. R. Palevol, Elsevier, volume 5, issue 12, pages 353-357, 2006.

K. A. Kennedy, A. Sonakia, J. Chiment, and K. K. Verma. Is the Narmada hominid an Indian Homo erectus? Am. J. Phys. Anthropol., Wiley Online Library, volume 86, issue 4, pages 475-496, December 1991.

A. Sonakia and K. A. R. Kennedy. Skull Cap of an Early Man from the Narmada Valley Alluvium (Pleistocene) of Central India. Am. Anthropol., American Anthropological Association, Wiley, volume 87, issue 3, pages 612-616, September 1985.

A. Sonakia. The skull cap of early man and associated mammalian fauna from Narmada Valley alluvium, Hoshangabad area, Madhya Pradesh, India. Records of the Geological survey of India, The Survey, volume 113, issue 6, pages 159-172, 1984.