Columbia subject headings:
Sayyid al-Ḥimyarī, Ismāʻil ibn Muḥammad, 723-789--Criticism and interpretation.
Harvard subject headings:
Sayyid al-Ḥimyarī, Ismāʻil ibn Muḥammad, 723-789--Criticism and interpretation.
Princeton subject headings:
Sayyid al-Ḥimyarī, Ismāʻīl ibn Muḥammad, 723 or 4-789 or 90--Criticism and interpretation.