slag om Engeland : Bloed, zweet en tranen Decisive Air Battles of the First World War Royal Air Force and Two World Wars Impact : The Army Air Forces "confidential' picture history of World War II ; dl.1 Impact : The Army Air Forces "confidential' picture history of World War II ; dl. 2 Impact : The Army Air Forces "confidential' picture history of World War II ; dl.3 Impact : The Army Air Forces "confidential' picture history of World War II ; dl.4 Impact : The Army Air Forces "confidential' picture history of World War II ; dl.5 Impact : The Army Air Forces "confidential' picture history of World War II ; dl.6 Impact : The Army Air Forces "confidential' picture history of World War II ; dl.7 Impact : The Army Air Forces "confidential' picture history of World War II ; dl. 8 World War II : Land, Sea & Air Battles 1939-1945