Smith Malcolm. Planning and Building the British Bomber Force, 1934–1939 //The Business History Review. Vol. 54.1980. Spring. No. 1. P. 46.
259
Zeitlin Jonathan. Flexibility and Mass Production at War: Aircraft Manufacture in Britain, the United States, and Germany, 1939–1945 // Technology and Culture. Vol. 36.1995. Jan. No. 1. P. 52.
