Columbia subject headings:
United States--Foreign relations--1933-1945.
World War, 1939-1945--Diplomatic history.
World War, 1939-1945--United States.
Harvard subject headings:
United States--Foreign relations--1933-1945.
World War, 1939-1945--Diplomatic history.
World War, 1939-1945--United States.
Princeton subject headings:
United States--Foreign relations--1933-1945.
World War, 1939-1945--Diplomatic history.
World War, 1939-1945--United States.