Roof over Britain. The official story of Britain's anti-aircraft defences, 1939-1942, London, H.S.M.O., 1943

Roof over Britain. The official story of Britain's anti-aircraft defences, 1939-1942, London, H.S.M.O., 1943.boekje over de luchtverdediging van Groot-Brittannië in de periode 1939-1942. Hoofdstukken zijn onder andere, "It isn't easy to shoot down a 'plan'", "the building of the roof", "the battle of Britain begins", "the crews that man them", "balloons at sea", enz..