Columbia subject headings:
Arab Spring, 2010-
Arab countries--Politics and government--21st century.
Democracy--Arab countries.
Revolutions.
Harvard subject headings:
Arab Spring, 2010-
Arab countries--Politics and government--21st century.
Democracy--Arab countries
Revolutions
Princeton subject headings:
Arab Spring, 2010-
Arab countries--Politics and government--21st century.
Democracy--Arab countries.
Revolutions.