Columbia subject headings:
Harvard subject headings:
Saudi Arabia--Economic conditions--20th century.
Saudi Arabia--Economic conditions--21st century.
Saudi Arabia--History--20th century.
Saudi Arabia--History--21st century.
Saudi Arabia--Politics and government--20th century.
Saudi Arabia--Politics and government--21st century.
Saudi Arabia--Social conditions--20th century.
Saudi Arabia--Social conditions--21st century.
Princeton subject headings:
Saudi Arabia--Intellectual life--21st century.
Saudi Arabia--Politics and government--21st century.
Saudi Arabia--Social conditions--21st century.