Columbia subject headings:
History, Modern--1945-1989.
Insurgency--History--20th century.
Nineteen sixty-eight, A.D.
Political violence--History--20th century.
Radicalism--History--20th century.
Harvard subject headings:
History, Modern--1945-1989
Insurgency--History--20th century.
Nineteen sixty-eight, A.D.
Political violence--History--20th century.
Radicalism--History--20th century
Princeton subject headings: