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3. Grierson, P. (1960), 'The monetary reforms of 'Abd al-Malik: their metrological basis and their financial repercussions', Journal of the Economic and Social History of the Orient 3
4. reprinted in Grierson (1979), no. XV
5. Smart, V. (1986), ‘Scandinavians, Celts, and Germans in Anglo-Saxon England: the evidence of moneyers’ names’, in M.A.S. Blackburn (ed.), Anglo-Saxon Monetary History, Leicester