Columbia subject headings:
Communism--France--Drôme--History.
Drôme (France)--Politics and government.
Parti communiste français--History.
Harvard subject headings:
Communism--France--Drôme--History.
Communists--France--Drôme--History.
Drôme (France)--Politics and government.
Princeton subject headings:
Communism--France--Drôme--History.
Drôme (France)--Politics and government.
Parti communiste français--History.