:
The Ismaili Society series C, no. 1. Added t.p.: Rahatuʼl-ʻaql. "Peace of mind." By Sayyid-na Hamiduʼd-din al-Kirmani. Edited in the original Arabic by M. Kamil Hussein and M. Mustafa Hilmy. :
8, 45, 438 p. ; xiii, 48 p. : diagrs. ; 25 cm. :
Bibliographical footnotes.