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Malek Malek, H.M. The Dabuyid Ispahbads and early ‘Abbasid governors of Tabaristan: History and Numismatics. Royal Numismatic Society Special Publication 39. (London, 2004).	Malek Malek, H.M. The Dabuyid Ispahbads and early ‘Abbasid governors of Tabaristan: History and Numismatics. Royal Numismatic Society Special Publication 39. (London, 2004).