7/1 - 45 General files
7/46 - 52 Articles by Patrick Wall
7/53 - 58 Background papers
7/59 - 61 Correspondence
7/62 - 130 Defence policy
7/131 - 222 British armed forces
7/223 - 236 Other armed forces
7/237 - 242 Weapons
7/243 - 245 Conferences
7/246 - 324 Defence organisations