Columbia subject headings:
Arab countries--Emigration and immigration.
Arab countries--Intellectual life.
Brain drain--Arab countries.
Civilization, Arab.
Harvard subject headings:
Arab countries--Emigration and immigration.
Arab countries--Intellectual life.
Brain drain--Arab countries.
Civilization, Arab
Princeton subject headings:
Arab countries--Intellectual life.
Brain drain--Arab countries.
Gifted persons--Arab countries.