I now have a book on the National Archives that lists all the different file series that cover WW2. At the end of the list of the WO (War Office) series is WO 900: Specimens of Classes and Documents Destroyed. These include flying log books of Royal Air Force pilots serving with the Glider Pilot Regiment and forms of personal particulars of captured of high ranking German officers. There is also a daily report book of a battalion of the Home Guard. I've never heard of it but I suspect all you experts would have
