Columbia subject headings:
Encyclopedias and dictionaries, Arabic.
Iran--Civilization--Encyclopedias.
Islam--Encyclopedias.
Islamic civilization--Encyclopedias.
Shiites--Encyclopedias.
Shīʻah--Encyclopedias.
Harvard subject headings:
Iran--Civilization--Encyclopedias.
Islam--Encyclopedias
Islamic civilization--Encyclopedias.
Shīʻah--Encyclopedias.
Princeton subject headings:
Islam--Dictionaries--Persian.