श्री गुरुभ्यो नमः Rasanishyandhini, a treatise on Lord Rama, composed by 'Paruthiyur Periyava' Brahmasri Paruthiyur Krishna Sastrigal, with an English Translation is available here: https://archive.org/details/rasaniShyandinii/mode/2up श्री गुरुभ्यो नमः Regards, Divya