Columbia subject headings:
Harvard subject headings:
Arab countries--Commerce--Directories.
Commercial products--Arab countries--Periodicals.
Commercial products--Middle East--Periodicals.
Middle East--Commerce--Directories.
Princeton subject headings:
Arab countries--Commerce--Directories--Periodicals.
Commercial products--Arab countries--Periodicals.
Commercial products--Middle East--Periodicals.
Middle East--Commerce--Directories--Periodicals.