Columbia subject headings:
Arabic language--Dialects--Egypt.
Arabic language--Dialects--Morocco.
Arabic language--Political aspects.
Arabic language--Social aspects.
Arabic language--Written Arabic.
Written communication--Arab countries.
Harvard subject headings:
Arabic language--Dialects--Egypt.
Arabic language--Dialects--Morocco.
Arabic language--Political aspects.
Arabic language--Social aspects.
Arabic language--Written Arabic.
Written communication--Arab countries.
Princeton subject headings:
Arabic language--Dialects--Egypt.
Arabic language--Dialects--Morocco.
Arabic language--Political aspects.
Arabic language--Social aspects.
Arabic language--Written Arabic.
Written communication--Arab countries.