Columbia subject headings:
Indochina--History.
Vietnam--History.
Harvard subject headings:
Communism--Vietnam--History
Hà Tĩnh (Vietnam)--History.
Indochina--History
Nghệ An (Vietnam)--History.
People's councils--Vietnam--Hà Tĩnh (Hà Tĩnh)--History.
People's councils--Vietnam--Nghệ An--History.
Vietnam (Democratic Republic)--History.
Vietnam--Politics and government--1858-1945.
Princeton subject headings:
Indochina--History.
Vietnam (Democratic Republic)--History.