Columbia subject headings:
Faith (Islam)
Islam--Customs and practices.
Islam--Essence, genius, nature.
Islam--Rituals.
Prayer--Islam.
Harvard subject headings:
Faith (Islam)
Islam--Customs and practices
Islam--Essence, genius, nature
Islam--Rituals
Prayer--Islam
Princeton subject headings:
Faith (Islam)
Islam--Customs and practices.
Islam--Essence, genius, nature.
Prayer--Islam.