1. Agrawal, A. (1989). Rise and Fall of the Imperial Guptas. Motilal Banarsidass.
2. al-Naboodah, H. M. (1992). The Commercial Activity of Bahrain and Oman in the Early Middle Ages. Proceedings of the Seminar of Arabian Studies, 25th Seminar, 22, 81–96.
3. Bhandarkar, D. R., Chhabra, B., & Gai, G. S., (Eds. & Trans). (1981). Corpus Inscriptionum Indicarum-Vol. III: Inscriptions of the early Gupta Kings (revised edition of J. F. Fleet’s Volume). Delhi: Archaeological Survey of India.
4. Bopearachchi, O. (1998). Seafaring in the Indian Ocean Archaeological Evidence from Sri Lanka. In H. P. Ray, & J.-F. Salles (Eds.), Tradition and Archaeology: Early Maritime Contacts in the Indian Ocean: Proceedings of the International Seminar, Techno-Archaeological Perspectives of Seafaring in the Indian Ocean, 4th cent. BC – 15th cent. AD, (pp. 59–77). Manohar.
5. Carswell, J. (1992). The Port of Mantai, Sri Lanka. In V. Begley & R. D. D. Puma (Eds.), Rome and India: The Ancient Sea Trade (pp. 197–215). Oxford University Press.