Columbia subject headings:
Qāsim ibn Muḥammad ibn ʻAlī, 1559-1620.
Yaḥyá al-Hādī ilá al-Ḥaqq, 859-910.
Yemen (Republic)--Kings and rulers--Early works to 1800.
Harvard subject headings:
Hādī ilá al-Ḥaqq, Yaḥyá ibn al-Ḥusayn, 859-910.
Yemen (Republic)--Kings and rulers--Early works to 1800.
Princeton subject headings: