Bernard Lewis (1940).
Cited in
- 2026-05-18-note-07 — was the Mahdi always a central figure in early Shia, and if not when and why did he become central (2026-05-18)
- 2026-05-18-note-10 — Ibn Sanbar engineers the Persian impostor plot against Abū Ḥafṣ al-Sharīk (per Lewis 1940) (2026-05-18)