Columbia subject headings:
Harvard subject headings:
Arabic language--Dialects--History--Congresses.
Arabic language--Grammar--Congresses.
Arabic language--History--Congresses.
Language and languages--Foreign words and phrases--Congresses.
Linguistic change--History--Congresses.
Princeton subject headings:
Arabic language--Dialects History--Congresses.
Arabic language--History--Congresses.
Language and languages--Foreign words and phrases--Congresses.
Linguistic change--History--Congresses.