On the Āḻvārs

• This book Aḻvārkaḷ Carittiram by Vai. Mu. Caṭakōparāmāṉujācāriyar (Heviḷambi year; Ceṉṉai: Mimōriyal Accukkūṭam) tells the stories of the Āḻvārs in prose.
• This book, also called Aḻvārkaḷ Carittiram, is a shorter work by Si. Ār. Śrīnivāsa Ayyaṅkār (Ceṉṉai: Cutēca mittiraṉ Āpīs, 1922).

Maṭhas, Ācārya’s lineages, etc.

The following are modern resources that help us learn about the maṭhas, ācārya lineages, etc.

• Em. Tī. Nārāyaṇa Aiyangar (ed). Śrī Yadugiri Yatirāja maṭha ki guruparamparā, Malleswaram, Bangalore, Em. Tī. Nārāyaṇa Aiyangar (s.d.)

History of temples

• Aiyangar, Sakkottai Krishnaswami (1940). A History of the Holy Shrine of Śrī Vēṅkaṭeśa In Tirupati. Vol. 1. Madras: Ananda Press.