Columbia subject headings:
Education--Dictionaries.
English language--Dictionaries--Persian.
Persian language--Dictionaries--English.
Harvard subject headings:
Education--Dictionaries
English language--Dictionaries--Persian
Persian language--Dictionaries--English.
Princeton subject headings:
Dictionaries.
Education--Dictionaries.
English language--Dictionaries--Persian.
Persian language--Dictionaries--English.