Columbia subject headings:
Islamic etiquette--Early works to 1800.
Ismailites--Customs and practices--Early works to 1800.
Harvard subject headings:
Islamic etiquette--Early works to 1800.
Ismailites--Customs and practices--Early works to 1800.
Princeton subject headings:
Islamic etiquette--Early works to 1800.
Ismailites--Customs and practics--Early works to 1800.