Run by the Government of Tamil Nadu. This is an authoritative academic source.
The 796 hymns, totaling over 8,000 stanzas, are categorized by their authors into seven volumes: Volumes 1–3 : Composed by Thirugnana Sambandar , noted for poetic elegance and "militant" devotional zeal. Volumes 4–6 : Composed by Thirunavukkarasar (Appar)
, known for emotional depth and relatable agrarian metaphors. : Composed by Sundaramoorthy Nayanar (Sundarar)
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