Columbia subject headings:
Dominican Republic--Foreign relations--United States--Sources.
Panama--Foreign relations--United States--Sources.
United States--Foreign relations--Dominican Republic--Sources.
United States--Foreign relations--Panama--Sources.
Harvard subject headings:
Dominican Republic--Foreign relations--United States--Sources.
Panama--Foreign relations--United States--Sources.
United States--Foreign relations--1963-1969--Sources.
United States--Foreign relations--Dominican Republic--Sources.
United States--Foreign relations--Panama--Sources.
Princeton subject headings:
Dominican Republic--Foreign relations--United States--Sources.
Panama--Foreign relations--United States--Sources.
United States--Foreign relations--Dominican Republic--Sources.
United States--Foreign relations--Panama--Sources.