Columbia subject headings:
Government, Resistance to--History--20th century.
History, Modern--1945-1989.
Insurgency--History--20th century.
Radicalism--History--20th century.
Revolutions--History--20th century.
Harvard subject headings:
Government, Resistance to--History--20th century.
History, Modern--1945-1989
Insurgency--History--20th century.
Radicalism--History--20th century
Revolutions--History--20th century
Princeton subject headings:
Government, Resistance to--History--20th century.
History, Modern--1945-1989.
Insurgency--History--20th century.
Radicalism--History--20th century.
Revolutions--History--20th century.