Columbia subject headings:
Ibn al-Murtaḍá, Aḥmad ibn Yaḥyá, 1363-1437.
Harvard subject headings:
Ibn al-Murtaḍá, Aḥmad ibn Yaḥyá, 1363-1437
Motazilites.
Zaydīs.
Princeton subject headings:
Ibn al-Murtaḍá, Aḥmad ibn Yaḥyá, 1363-1437.