Columbia subject headings:
Harvard subject headings:
Islam--Customs and practices
Islam--Doctrines
Islamic law.
Princeton subject headings:
Ḥabashī, ʻAbd Allāh. Mukhtaṣar ʻAbd Allāh al-Hararī al-kāfil bi-ʻilm al-dīn al-ḍarūrī.
Islam--Rituals.
Religious life--Islam.