الموضوعات المعرفية للجزيرة الفراتية في معجم البلدان لياقوت الحموي

Yakut AL-Hamawyi is regarded one of the pioneers of Islamic Thought in geographical and historical fields. May be his book (Mujam AL-Buldan) constitutes Encyclopedia as a vital source in many aspects of Islamic civilization which included cities and velliges; and the impact of Geography in history in addition to the literature values.