Columbia subject headings:
Harvard subject headings:
Africa, North--History--21st century.
Africa, North--Politics and government.
Arab countries--History--21st century.
Arab countries--Politics and government.
Islam--Africa, North--History--21st century.
Islam--Arab countries--History--21st century.
Islam--Middle East--History--21st century.
Middle East--History--21st century.
Middle East--Politics and government.
Princeton subject headings:
Democratization--Arab countries.
Protest movements--Arab countries--History--21st century.
Protest movements--Middle East--History--21st century.