The pearl-strings. A history of the Resúliyy Dynasty of Yemen /
'Alī Ibn Ḣasan,al-Khazrajī.
Redhouse, J. W.,Sir.
Browne, E. G.
Nicholson, R. A.
Rogers, A.
Muhammad 'Asal,Shaykh.
Leyden & London,
1906-1918.