https://en.wikipedia.org/wiki/Bombing_of_Berlin_in_World_War_II
Craven, Weslet; Cate, James (1951), Army Air Forces in World War Two: Europe:Argument to VE-Day, vol. III, University of Chicago Press Davis, Richard B. (2006), Bombing the European Axis Powers. A Historical Digest of the Combined Bomber Offensive 1939–1945: Part V 1945 (PDF) , Alabama: Air University Press, archived from the original (PDF ...