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“Imām ʿAlī and walāya”, in Imām ʿAlī entry, in Encyclopaedia Islamica, Vol 3 (2011). Leiden: Brill.
“Persian Poetry: Ḥasan-i Maḥmūd-i Kātib”, in An Anthology of Ismaili Literature (2008), tr. with Dr. J. Badakhchani (London: IB Tauris)