Columbia subject headings:
Churchill, Winston, 1874-1965.
Roosevelt, Franklin D. (Franklin Delano), 1882-1945.
World War, 1939-1945--Naval operations, American.
World War, 1939-1945--Naval operations, British.
Harvard subject headings:
Churchill, Winston, 1874-1965
Churchill, Winston, 1874-1965--Military leadership.
Roosevelt, Franklin D. (Franklin Delano), 1882-1945
World War, 1939-1945--Naval operations, American.
World War, 1939-1945--Naval operations, British.
Princeton subject headings: