Analysis of information sources in references of the Wikipedia article "Wadi Allaqi" in English language version.
Chattel-slaves were needed, especially from the ninth to thirteenth centuries, in the gold and emerald (carbuncle) mines of the Wadi Allaqi in the deserts east of the Nile's 2nd Cataract
Chattel-slaves were needed, especially from the ninth to thirteenth centuries, in the gold and emerald (carbuncle) mines of the Wadi Allaqi in the deserts east of the Nile's 2nd Cataract