Columbia subject headings:
Bombing, Aerial.
Strategy.
United States. Army Air Forces--History--World War, 1939-1945.
World War, 1939-1945--Aerial operations, American.
World War, 1939-1945--Moral and ethical aspects.
World War, 1939-1945--Psychological aspects.
Harvard subject headings:
Bombing, Aerial.
Strategy
United States. Army Air Forces--History--World War, 1939-1945.
World War, 1939-1945--Aerial operations, American.
World War, 1939-1945--Moral and ethical aspects.
World War, 1939-1945--Psychological aspects.
Princeton subject headings:
Bombing, Aerial.
Strategy.
United States. Army Air Forces--History--World War, 1939-1945.
World War, 1939-1945--Aerial operations, American.
World War, 1939-1945--Moral and ethical aspects.
World War, 1939-1945--Psychological aspects.