Columbia subject headings:
Harvard subject headings:
Communism--France--Alpes-Maritimes--History.
Socialism--France--Alpes-Maritimes--History.
Socialism--France--Alpes-Maritimes.
Princeton subject headings:
Alpes-Maritimes (France)--Politics and government.
Communism--France--Alpes-Maritimes--History--20th century.
Communists--France--Alpes-Maritimes.
France--Politics and government--1914-1940.
Parti communiste français--History.