Columbia subject headings:
Betancourt, Rómulo, 1908-1981.
Caudillos--Venezuela--History--20th century.
Venezuela--Politics and government--1935-1958.
Venezuela--Politics and government--1958-1974.
Harvard subject headings:
Betancourt, Rómulo, 1908-1981--Political activity.
Venezuela--Politics and government--1935-
Princeton subject headings: