: For a concise scholarly summary of his life, mission, and the establishment of the Alamut fortress, refer to this Hasan Sabbah Research Paper from the Institute of Ismaili Studies . Theological Analysis
You're looking for a review of "Hassan-i Sabbah" or "Hassan bin Sabah" in PDF format! hassan bin sabah pdf
: To understand the "New Preaching" ( da'wa jadidah ) and the theological shifts he initiated, you can request full-text access to Hasan Sabbah’s Ideas on Imamah via ResearchGate : Jawad Al Muscati’s Work : For a concise scholarly summary of his