The book (Dhail Mir’at Al-Zaman) of Al-Yunini (D. 726A.H./1325A.D.) one of the important public books in history which gathered mentioning the historical events and those characters who died yearly; thus this book contained a valuable historical material, and it ended up biographies of several characters in various specialties including characters from Mosul.
We have attempted through this research to introduce to the approach which Al-Yunini followed in his speech about biographies of the people of Mosul which estimated (15) characters; then this research was distinguished with several characteristics, and depended also on several sources namely: The written sources, oral narrations, and the unknown ones.