Book in Sanskrit by Gita Press http://acharya.org/bk/pb/misc/sbg-vsn-gp.pdf
நித்யாநுஸந்தானம்: வடகலை
New Kindle book in Tamil Please substitute .com with local country domains Thaniyangal, Thiruppallandu, Thiruppalliyezhuchi … Adaikkala Paththu, Adhikara Sangraham, … Etc Words broken up for easy reading
Desika Mangalam
Work by Kumara Varadacharyar (& Prativadi Bhayankaram Annan) Text in Sanskrit, Tamil & English http://acharya.org/sloka/kv/index.html
Nyasa Dashakam
Work by Vedanta Desikan Text in Sanskrit, Tamil and English http://acharya.org/sloka/vdesikan/index.html
Pillai Andhadhi
Work by Kumara Varadacharyar Text in Tamil & English http://acharya.org/sloka/kv/index.html