Lot Essay
In his preface, the author mentions his sources as follow: Al-Tusi's Sharh al-Tadhkira, Ptolemy's Geography, al-Balkhi's Taqwim al-Bilad, Mas'udi's Marwaj al-Dhahab, Ibn al-Athir al-Jazari's 'Aja'ib al-Makhluqat, al-Marrakushi's Al-Masalik wa al-Mamalik, and all other necessary works.