Columbia subject headings:
Dominican Republic--History--American occupation, 1916-1924.
Haiti--History--American occupation, 1915-1934.
Harvard subject headings:
Dominican Republic--Foreign relations--United States.
Dominican Republic--History--American occupation, 1916-1924.
Haiti--Foreign relations--United States
Haiti--History--American occupation, 1915-1934
United States--Foreign relations--Dominican Republic.
United States--Foreign relations--Haiti.
Princeton subject headings: