Re 1mil: if usual figures right about # of dirhams to N. Europe in 10thC, then Jankowiak's calculation implies c.1,000,000 slaves 'exported'
On number of dirhams exported to 10thC N. Europe, see for example http://histoiremesure.revues.org/892 , which suggests 125 million!pic.twitter.com/Ojh8xYbqFY
12:15 PM - 8 Jan 2015
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