Robuta

https://www.nasrani.net/2011/03/07/nazrani-christians-and-the-social-processes-of-kerala/maritime-india-trade-religion-and-polity-in-the-indian-ocean-by-dr-pius-malekandathil/ maritime-india-trade-religion-and-polity-in-the-indian-ocean-by-dr-pius-malekandathil - Nasranis the indian oceanpius malekandathilmaritimetradereligion