Methodology the Historical of professor Dr. Taha khuder Obaid through the book (Studies on Mosul in Abbasid Era)

Professor Emeritus Dr. Taha Khudor Obaid of is regarded as one of Pioneer Professors at the University of Mosul. He is specialized in History and Islamic Arab civilization in addition to Byzantine history. He has clear fingerprints in Byzantine and Islamic studies. His published books amount (13) books. He also published about 50 researches. Further, he is interested in the history of Mosul City, particularly in the during of the Abbasid Period. His last book (Studies on Mosul in Abbasid era) confirms his Love and affiliation to the city of Mosul.
The paper aims to shed light on his historical method, focusing on Studies on Mosul in the Abbasid era