^According to Dr. G. M. Moraes who wrote Kadamba Kula: A History of Ancient and Medieval Karnataka, under the rule Kakusthavarma, the kingdom reached its acme of success and the Talagunda record calls him the ornament of the family, the Halsi and Halmidi inscriptions also hold him in high esteem-Dr. Suryanath U. Kamath, A Concise history of Karnataka from pre-historic times to the present, Jupiter books, 2001, MCC, Bangalore (Reprint 2002), p32
^The Kadamba-Western Ganga Dynasty era is a momentous importance to Kannada language for it was with these rulers that Kannada language first gained official language status-K.V. Ramesh, Chalukyas of Vatapi, 1984, Agam Kala Prakashan, Delhi, p10
George M. Moraes (1931), The Kadamba Kula, A History of Ancient and Medieval Karnataka, Asian Educational Services, New Delhi, Madras, 1990 ISBN81-206-0595-0
K.V. Ramesh, Chalukyas of Vatapi, 1984, Agam Kala Prakashan, Delhi OCLC13869730