Columbia subject headings:
Dominican Republic--Economic conditions--1961-
Dominican Republic--History--American occupation, 1916-1924.
Dominican Republic--Politics and government--1961-
Harvard subject headings:
Dominican Republic--Dependency on the United States.
Dominican Republic--Economic conditions--1961-
Dominican Republic--Politics and government--1961-
Princeton subject headings:
Dominican Republic--Dependency on the United States.
Dominican Republic--Economic conditions--1961-
Dominican Republic--Politics and government--1961-