Al-Bakri based his work on the accounts of traders, the writings of Muhammad ibn Yūsuf al-Warrāq, (On the Topography of North Africa), and Ibrahim Ibn yaqub.
Al-Bakri constructed his work using trader reports, the writings of Muhammad ibn Yūsuf al-Warrāq's On the Topography of North Africa, and Ibrahim Ibn Ya'qub’s insights.