1. Ajithan, P. I. 2011. “The Role of Initiation in Pre-Tantrasamuccaya Kerala Tantric Literature.” Saṃskṛtakairalī: An Annual Journal for Indological Studies 1: 113–29.
2. Albanese, Catherine L. 1977. “The Multi-Dimensional Mandala: A Study in the Interiorization of Sacred Space.” Numen 24, 1: 1–25.
3. Bossard, James H. S. and Eleanor S. Boll. 1948. “Rite of Passage—A Contemporary Study.” Social Forces 26, 3: 247–55.
4. Brooks, Douglas Renfrew. 1990. The Secret of the Three Cities: An Introduction to Hindu Śākta Tantrism. Chicago: University of Chicago Press.
5. Brooks, Douglas Renfrew. 1992. Auspicious Wisdom: The Texts and Traditions of Śrīvidyā Śākta Tantrism in South India. Albany: SUNY Press.