al-Ta'din wa sakk al-nuqud fi al-Hijaz wa najd wa Tuhamah fi al-'asrayn al-Amawi wa al-'Abbasi - al-Shar'an, Nayif ibn'Abd Allah (al-Riyad : Markaz al-Malik Faisal, 2007)
Keywords: Coins, Arab -- Saudi Arabia; Coins, Arab -- Islamic Empire -- 750-1258; Mineral industries -- Saudi Arabia -- History