ending with the Royal sanction of Tarissapalli copper plates to Assyrian Monks by Vaishnaite Chera King Rajashekara Varma, against the backdrop of a Shivite revival led by Adi Shankara among the Nampoothiri communities Kerala government websiteArchived 21 November 2007 at the Wayback Machine
Kohanski, Tamarah & Benson, C. David (Eds.) The Book of John Mandeville. Medieval Institute Publications (Kalamazoo), 2007. Op. cit. "Indexed Glossary of Proper Names". Accessed 24 September 2011.
ending with the Royal sanction of Tarissapalli copper plates to Assyrian Monks by Vaishnaite Chera King Rajashekara Varma, against the backdrop of a Shivite revival led by Adi Shankara among the Nampoothiri communities Kerala government websiteArchived 21 November 2007 at the Wayback Machine