Columbia subject headings:
Harvard subject headings:
Betancourt, Rómulo, 1908-1981.
Costa Rica--Politics and government--1821-1948.
Partido Comunista de Costa Rica.
Princeton subject headings:
Betancourt, Rómulo, 1908-1981.
Costa Rica--Politics and government--1821-1948.
Partido Comunista de Costa Rica.