Columbia subject headings:
Bombing, Aerial--Sources.
United States Strategic Bombing Survey--Sources.
World War, 1939-1945--Aerial operations, American--Sources.
Harvard subject headings:
Bombing, Aerial--History--Sources--Indexes.
United States Strategic Bombing Survey. Reports. European war--Indexes.
United States Strategic Bombing Survey. Reports. Pacific war--Indexes.
World War, 1939-1945--Aerial operations, American--Sources--Indexes.
World War, 1939-1945--Destruction and pillage--Sources--Indexes.
World War, 1939-1945--Naval operations, American--Sources--Indexes.
Princeton subject headings:
Bombing, Aerial--Sources.
United States Strategic Bombing Survey--Sources.
World War, 1939-1945--Aerial operations, American--Sources.