Columbia subject headings:
Great Britain--Foreign relations--Paraguay.
Paraguay--Foreign relations--Great Britain.
Paraguay--Foreign relations--United States.
United States--Foreign relations--Paraguay.
Harvard subject headings:
Great Britain--Foreign relations--Paraguay.
Paraguay--Foreign relations--Great Britain.
Paraguay--Foreign relations--United States.
United States--Foreign relations--Paraguay.
Princeton subject headings:
Great Britain--Foreign relations--Paraguay.
Paraguay--Foreign relations--Great Britain.
Paraguay--Foreign relations--United States.
United States--Foreign relations--Paraguay.