Columbia subject headings:
Fasting--Religious aspects--Islam.
Islam--Customs and practices.
Islamic law.
Pillars of Islam.
Harvard subject headings:
Fasting--Religious aspects--Islam.
Islam--Customs and practices.
Islamic law.
Pillars of Islam.
Princeton subject headings:
Fasting--Religious aspects--Islam.
Islam--Customs and practices.
Islamic law.
Pillars of Islam.