Columbia subject headings:
Harvard subject headings:
Islam--Customs and practices
Islamic ethics.
Islamic law--Early works to 1800.
Shīʻah--Early works to 1800.
Princeton subject headings:
Ibn al-Muṭahhar al-Ḥilli, al-Ḥasan ibn Yūsuf, 1250-1325. Qawāʻid al-aḥkām fī maʻrifat al-ḥalāl wa-al-ḥarām.
Islamic law--Interpretation and construction--Early works to 1800.
Shiites.