Mysteries of Alast by F. Kazemi

Mysteries of Alast: The Realm of Subtle Entities (‘Ālam-i dharr) and the Primordial Covenant in the Babi–Baha'i Writings by Farshid Kazemi.

Abstract
One of the more esoteric terms in Shi‘i–Shaykhi thought that has found its way into the vast corpus of the Babi–Baha'i sacred scriptures is called ‘the realm of subtle entities’ or ‘ālam-i dharr (lit. world of particles). The source of inspiration for this term (dharr) in the early Shi‘i cosmology and cosmogony lies in one of the more important and dramatic scenes which informs the whole spectrum of Islamic thought, namely the Primordial Covenant of Qur'an 7:171–2. READ the full abstract.  (Many references to Corbin herein.)