'Researchers on Babi doctrine and history will find this an indispensable tool... Recommended for graduate libraries with Middle Eastern collections.' C.W. Ernst, Choice, 1992. 'His work will remain a standard reference for a long while.' Todd Lawson, J.S.S., 1993. 'MacEoin has performed a valuable service in initiating this process and his book will undoubtedly be of great help to those who are working in this field.' Moojan Momen, Iranian Studies, 1995.