Columbia subject headings:
Fasts and feasts--Islam--Early works to 1800.
Islam--Customs and practices--Early works to 1800.
Ramadan--Early works to 1800.
Harvard subject headings:
Fasts and feasts--Islam--Early works to 1800.
Islam--Customs and practices--Early works to 1800
Ramadan--Early works to 1800.
Princeton subject headings:
Fasts and feasts--Islam--Early works to 1800.
Islam--Customs and practices--Early works to 1800.
Ramadan--Early works to 1800.