Columbia subject headings:
Harvard subject headings:
Bombing, Aerial--Psychological aspects.
London (England)--History--Bombardment, 1940-1941.
World War, 1939-1945--Great Britain.
Princeton subject headings:
Bombing, Aerial--Psychological aspects.
London (England)--History--Bombardment, 1940-1945.
World War, 1939-1945--Great Britain.