Columbia subject headings:
Harvard subject headings:
Arab countries--Emigration and immigration.
Egypt--Emigration and immigration.
Foreign workers, Egyptian--Persian Gulf Region.
Labor mobility--Arab countries.
Migrant labor--Arab countries.
Migrant labor--Egypt.
Persian Gulf Region--Emigration and immigration.
Princeton subject headings:
Arab countries--Emigration and immigration.
Egypt--Emigration and immigration.
Labor mobility--Arab countries.
Migration, Internal--Arab countries.