History of Indian Philosophy,

Delhi: Motilal Banarsidass, 1993.

John Hospers,

Introduction to

(3rd edn), London: Routledge, 1990.

The chapter on Śaivism in S. Sutherland et al. (eds)

The World’s Religions , London: Routledge, 1988.

الفصل الثاني

J. L. Brockington,

The Sacred Thread,

Bog aan la aqoon