Columbia subject headings:
Harvard subject headings:
Arab Spring, 2010-
Egypt--History--Protests, 2011-
Egypt--Politics and government.
Islam and state.
Revolutions--Egypt.
Princeton subject headings:
Arab Spring, 2010-
Arab countries--Politics and government--21st century.
Protest movements--Arab countries--History--21st century.
Revolutions--Arab countries--History--21st century.