Columbia subject headings:
Ecuador--Economic conditions.
Ecuador--Politics and government--1895-1944.
Ecuador--Politics and government--1944-1984.
Harvard subject headings:
Ecuador--Economic conditions.
Ecuador--Politics and government--1895-1944.
Ecuador--Politics and government--1944-1984.
Princeton subject headings:
Ecuador--Economic conditions.
Ecuador--Politics and government--1895-1944.
Ecuador--Politics and government--1944-.