The Bab's Majmu`ih-`i az athar-i Nuqtih-'i Ula va Subh-i AzalCorrespondence of the Bab and Mirza Yahya Nuri, "Subh-i Azal"
Sayyid `Ali Muhammad "the Bab" Shirazi. Majmu`ih-`i az athar-i Nuqtih-'i Ula va Subh-i Azal First published Tehran, n.d. (1950?). Digitally reprinted here. (Lansing, MI: H-Bahai, 1999). Available on the World Wide Web at /~bahai/areprint/bab/M-R/majmuih1/athar.htm
References: MacEoin, Sources for Early Babi Doctrine and History, pp. 131-133. Denis MacEoin, "Divisions and Authority Claims in Babism (1850-1866)," Studia Iranica 18:1 (1989), pp. 92-129.