: عجارملا ةيزيلجنالا ةغللاب‎ 1/J.S.R. Dunkan : The Sudan,s path to Independence William Black wood and sons Ltd Edunburch , London 1957 Harvard University 1969 3/ Ali Salih Karar : Sufi brother hoods in the Sudan , first published London C. Hurst and,Co, (Publishers) 4/ Gabriel Warburg : The Sudan under Wingte , A dministration in the Anglo -Egultion , Sudan 1899 _ 1916 Frank Cass and Co. Ltd( 1971) a