1. Lorenzen DN (1991[1972]) The Kāpālikas and Kālāmukhas. Two lost Śaivite sects, 2nd edn. Motilal Banarsidass, Delhi
2. Sanderson A (2014) The Śaiva literature. J Indol Stud (Kyoto) 24–25(2012–2013):1–113
3. Sanderson A (2009) The Śaiva age—the rise and dominance of Śaivism during the early medieval period. In: Einoo S (ed) Genesis and development of tantrism. Institute of Oriental Culture/University of Tokyo, Tokyo
4. White D (2005) Review of Ronald M. Davidson, Indian esoteric Buddhism. A social history of the tantric movement. J Int Assoc Tibetan 1. On-line: http://www.thlib.org?tid=T1223
5. White D (2003) Kiss of the Yoginī: ‘Tantric Sex’ in its South Asian contexts. University of Chicago Press, Chicago