Columbia subject headings:
Arabic language--Grammar, Comparative--Semitic--Congresses.
Semitic languages--Grammar, Comparative--Arabic--Congresses.
Harvard subject headings:
Arabic language--Grammar, Comparative--Semitic--Congresses.
Semitic languages--Grammar, Comparative--Arabic--Congresses.
Princeton subject headings:
Arabic language--Grammar, Comparative--Semitic--Congresses.
Semitic languages--Grammar, Comparative--Arabic--Congresses.