Columbia subject headings:
Hejaz (Saudi Arabia)--History.
Hejaz (Saudi Arabia)--Intellectual life.
Hejaz (Saudi Arabia)--Relations--Iraq.
Iraq--History.
Iraq--Intellectual life.
Iraq--Relations--Saudi Arabia--Hejaz.
Harvard subject headings:
Baghdad (Iraq)--Intellectual life.
Hejaz (Saudi Arabia)--Intellectual life.
Iraq--Relations--Saudi Arabia.
Saudi Arabia--Relations--Iraq.
Princeton subject headings:
Baghdad (Iraq)--Intellectual life.
Hejaz (Saudi Arabia)--Intellectual life.
Iraq--Relations--Saudi Arabia.
Saudi Arabia--Relations--Iraq.