Columbia subject headings:
Egypt--Politics and government--21st century.
Revolutions--Egypt--History--21st century.
Harvard subject headings:
Arab Spring, 2010-
Egypt--History--Protests, 2011-2013.
Egypt--History.
Revolutions--Egypt--History.
Princeton subject headings:
Arab Spring, 2010-
Egypt--History--Protests, 2011-2013.
Egypt--History.
Revolutions--Egypt--History.