The Azhwars are a group of 12 vaishnava saints from Tamizh Nadu, I want to know if there is any group of texts which covers the various aspects of their life. Has any traditional scholar before Shri Vedanta Deshika has written about them in Sanskrit, or is there translation of the tamizh works in English? I want to get a comprehensive picture of the Azhwars from the traditional viewpoint, thus modern day papers which try to date all of them in A.D. are less of the priority.
P.S : I don't know Tamizh