There's a wide range of files at the UK National Archives at Kew that cover Scientology. Files are organised by source, so each department of government has its own material. The Home Office, Foreign Office, various branches of the judiciary/prosecution services, the police, and the ministry of health/social services.... all have scientology files. There are currently 107 files in total. Numbering key for existing scientology files at NA: MEPO = Metropolitan Police MH = Ministry of Health HO = Home Office FCO = Foreign Office T = Treasury DPP = Department of Public Prosecutions CV = VAT tribunals J = Supreme court and related courts LAB = Labour/employment ministries under different names BT = Board of Trade [later Department for Trade and Industry] PREM = Office of the Prime Minister AT = various: environment, transport, local government FD = Medical Research Council CHAR = Charity Commissioners The files include material not just for scientology, but also for associated or similar groups e.g. The Process.