Columbia subject headings:
National liberation movements--Yemen (Republic)
Socialism--Yemen (Republic)
Yemen (Republic)--Politics and government.
Harvard subject headings:
National liberation movements--Yemen, South.
Socialism--Yemen, South
Yemen (People's Democratic Republic)--Politics and government.
Princeton subject headings:
Jabhah al-Qawmīyah (Yemen (People's Democratic Republic)).
Yemen (People's Democratic Republic)--History.
Yemen (People's Democratic Republic)--Politics and government.