Columbia subject headings:
Communism--India--History--20th century.
Communist Party of India.
Congress Socialist Party.
India--Politics and government--20th century.
Right and left (Political science)--India--History--20th century.
Socialism--India--History--20th century.
Harvard subject headings:
Socialism--India--History.
Princeton subject headings:
Communism--India--History--20th century.
Communist Party of India.
Congress Socialist Party.
India--Politics and government--20th century.
Right and left (Political science)--India--History--20th century.
Socialism--India--History--20th century.