Rāmāyaṇa where ideology and arts meet narrative and historical context by Prof. Nalini Rao
Rāmāyaṇa tradition in northeast Bhārat by Virag Pachpore
By Swami Harshananda
Saihvargavidya (‘science of samvarga’)
See CHĀNDOGYA UPANISAD and VIDYĀS.