“Movement of Negroes , Its Causes , Its Aims And Ways of Elimination It: ( 255 – 270 A.H. ) ( 869 - 883 A.D. )”. Al-Adab Journal (December 15, 2019): 59–82. Accessed July 4, 2024. https://aladabj.uobaghdad.edu.iq/index.php/aladabjournal/article/view/945.