Columbia subject headings:
Islamic law--History.
Islamic law.
Ḥasan al-Baṣrī, 641 or 642-728 or 729.
Harvard subject headings:
Ḥasan al-Baṣrī, 641 or 642-728 or 729
Islamic law--History.
Islamic law--Sources--Early works to 1800
Princeton subject headings:
Ḥasan al-Baṣrī, 641 or 642-728 or 729.
Islamic law--Interpretation and construction.