Columbia subject headings:
Murphy, Robert D. (Robert Daniel), 1894-1978.
United States--Foreign relations--20th century.
Harvard subject headings:
Murphy, Robert D. (Robert Daniel), 1894-1978.
United States--Foreign relations--20th century.
Princeton subject headings:
Murphy, Robert D. (Robert Daniel), 1894-1978.
United States--Foreign relations--20th century.