00331nam a22001217a 450000500170000000800410001704000130005808200230007110000230009424500370011726000440015430000110019820180228114305.0170807b        xxu||||| |||| 00| 0 eng d  cPK-LaUMT  aZIAC 297.61bARN-C  aArnold , Thomas W.  aThe Caliphate/cThomas W. Arnold  aLahore:bOxford University Press,c1965  a267 p.