== External links ==* Vishnu, the god of Preservation, by Dr. C.P.Ramaswami Aiyar* BBC Religion & Ethics – Who is Vishnu (bbc.co.uk)
* Vishnu, a description* Vishnu, the god of Preservation, by Dr. C. P. Ramaswami Aiyar* BBC Religion & Ethics — Who is Vishnu* List of Vaishnava links