Title	Author	Year	Script	Other
Nithya Grantham	Ramanujar		Sanskrit	.
Nityanushtana Paddhati	P B Annangarachariar Swami	-	Tamil	.
nithyAnushtAna vidhiyum thiruvArAdhana kramamum	-	1900	Tamil	.
Srivaishnava Anushtana Vidhi	-	2002	Tamil	.