Columbia subject headings:
Venezuela--Economic conditions--1918-1958.
Venezuela--Politics and government--1935-
Venezuela--Social conditions.
Harvard subject headings:
Venezuela--Economic conditions--1918-
Venezuela--Economic conditions--1958-
Venezuela--Politics and government--1935-
Venezuela--Social conditions.
Princeton subject headings:
Venezuela--Economic conditions--1918-.
Venezuela--Politics and government--1935-
Venezuela--Social conditions.