Ceṅkaṟpaṭṭu āvaṇaṅkaḷ: patiṉeṭṭām nūṟṟāṇṭiṉ kirāmacamūkamum varuvāyum (2024). Palm Leaf Press (History Society Knowledge: வரலாறு சமூகம் சிந்தனை). Available at: http://palmleafpress.net/index.php/plp/catalog/book/21 (Accessed: 15 March 2025).