Columbia subject headings:
Harvard subject headings:
Fasting--Religious aspects--Islam.
Islam--Customs and practices
Shīʻah.
Ṭabāṭabāʼī al-Yazdī, Muḥammad Kāẓim, -1919. ʻUrwah al-wuthqá. Kitāb al-Ṣawm.
Princeton subject headings:
Fasting--Religious aspects--Islam--Qurʼanic teaching.
Islam--Customs and practices.
Shīʻah.
Ṭabāṭabāʼī al-Yazdī, Muḥammad Kāẓim, -1919. ʻUrwah al-wuthqá. Kitāb al-Ṣawm.