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Large scale document archive

MT’s official files as Prime Minister, 1979-90

MT's official files as PM can be read on this site as they are released, in full and free to all - the confidential files originally stored at No.10, the core record of her premiership.

The files have been copied at the British National Archives (TNA) at Kew in London and can be downloaded precisely as they appear in the reading room.

We are doing something more to help people make sense of this mass of information. The files are subject-based, logically enough, but that system makes it difficult to reconstruct the flow of paper across the Prime Minister’s desk at any point in time, depriving us of a sense of context, of the political cross-winds, some of them overwhelming.

To combat this effect we are uploading a large selection of the most important documents from these files – thousands in total – to our powerful site database. You can search and sort by date, subject and other parameters, getting as close as anyone can now get to reconstructing the Prime Minister’s daily "Red Boxes", the rich diet of foreign and domestic policy papers submitted to her by the No.10 Private Office.

Below are links to the downloadable files in numerical order. The subject terms are those used in the original filing system. An average file has around 200 pages.

See also

How filing worked at No.10, and the system for archiving MT’s Prime Ministerial papers, both of which had their quirks.

The world of Confidential Filing

Chancellor of the Exchequer’s Private Office files, 1979-1989

Links to hundreds of digitised files from the Chancellorships of Sir Geoffrey Howe and Nigel Lawson.

Treasury Private Office papers

Showing items 1401 - 1450 of 3834

File name Title Begins Ends Release date Any docs withheld? Classification Pages
PDF PREM19/1404 USA (UK/USA relations) (Part 2) 82 May 10 84 Feb 28 14 Jan 3 1 Top Secret 305
PDF PREM19/1405 USA (Internal political situation; 1980 and 1984 Presidential election campaigns) (Part 1) 79 May 4 84 Nov 7 14 Jan 3 1 Secret 457
PDF PREM19/1406 Yugoslavia (Visit to UK by Prime Minister Milka Planinc, November 1983: meeting with Prime Minister) 82 Jun 30 83 Nov 25 14 Jan 3 Confidential 233
PDF PREM19/1407 Zaire (Visits to UK by President Mobutu, December 1981 and September 1984: meetings with Prime Minister) 81 Nov 19 84 Dec 4 14 Jan 3 Confidential 70
PDF PREM19/1408 Ireland (Prime Minister's meetings with Taoiseach, Garret FitzGerald; Anglo-Irish Summits) (Part 7) 83 Nov 1 84 Nov 23 14 Jan 3 3 Secret 495
PDF PREM19/1409 Aerospace(Presentation on United States manned space station at Lancaster House during London Economic Summit, 1984) 84 Mar 20 84 Jun 6 14 Dec 30 Confidential 18
PDF PREM19/1410 Aerospace (Rolls-Royce V2500 engine project) 84 Jan 31 84 May 17 14 Dec 30 Confidential 30
PDF PREM19/1411 Aerospace (European Airbus A320 project: UK participation in European Transonic Windtunnel project) (Part 1) 82 Mar 30 85 Jun 24 14 Dec 30 Secret 259
PDF PREM19/1412 Aerospace (Future of British Airways (BA): BA privatisation and United States anti-trust suits; Laker Airways liquidation; airports policy) (Part 3) 84 Nov 2 85 Apr 3 14 Dec 30 Secret 289
PDF PREM19/1413 Aerospace (Space policy: formation of British National Space Centre (BNSC)) (Part 1) 80 Jun 20 85 Nov 29 14 Dec 30 Secret 265
PDF PREM19/1414 Aerospace (UK-Hong Kong air services licensing appeal: demise of Laker Airways; Hong Kong-Australia Air Services Agreement) 80 Jun 12 85 Oct 9 14 Dec 30 Secret 184
PDF PREM19/1415 Aerospace (Westland Helicopters) (Part 1A) 85 Apr 30 85 Dec 10 14 Dec 30 Secret 205
PDF PREM19/1416 Aerospace (Westland Helicopters) (Part 1B) 85 Dec 10 85 Dec 27 14 Dec 30 Confidential 213
PDF PREM19/1417 Aerospace (Third London Airport) 79 Nov 27 85 Jan 30 14 Dec 30 Confidential 230
PDF PREM19/1418 Agriculture (Agricultural expenditure) (Part 1) 83 Sep 23 85 Oct 31 14 Dec 30 Secret 307
PDF PREM19/1419 Agriculture (Liquid milk prices: milk marketing) (Part 2) 81 Mar 18 85 Jun 28 14 Dec 30 Confidential 279
PDF PREM19/1420 Argentina (Falklands) (Part 39) 84 Nov 1 85 Apr 25 14 Dec 30 4 Secret 383
PDF PREM19/1421 Australia (Anglo-Australian relations: internal situation; trading relations with the EEC) (Part 1) 79 Sep 26 85 Dec 30 14 Dec 30 15 Secret 317
PDF PREM19/1422 Broadcasting (Television licence fees: finances of BBC; pay in the BBC; review of external services) (Part 1) 79 Jul 6 85 Mar 28 14 Dec 30 Confidential 407
PDF PREM19/1423 Canada (UK/Canadian relations: patriation of the Canadian constitution) (Part 5) 82 Feb 11 85 Jun 14 14 Dec 30 Secret 263
PDF PREM19/1424 Chile (UK/Chilean relations: policy on arms sales) (Part 1) 79 Sep 17 85 Dec 9 14 Dec 30 9 Secret 328
PDF PREM19/1425 China (Sino-British relations; defence sales) (Part 2) 84 Mar 19 85 May 31 14 Dec 30 4 Secret 236
PDF PREM19/1426 China (Visit to UK by Chinese Prime Minister, Zhao Ziyang, June 1985: meetings with Prime Minister) (Part 2) 82 Jul 19 85 Jun 21 14 Dec 30 Secret 285
PDF PREM19/1427 Civil Service (Long term management and manpower policy) (Part 17) 84 Dec 4 85 Aug 30 14 Dec 30 Confidential 303
PDF PREM19/1428 Civil Service (Pay and pensions: performance related pay) (Part 14) 84 Mar 2 85 Feb 25 14 Dec 30 Secret 274
PDF PREM19/1429 Civil Service (Assassination and death in service: policy on compensation for civil servants' families) 84 May 21 85 Nov 20 14 Dec 30 24 Confidential 110
PDF PREM19/1430 Civil Service (Scrutiny of Overseas Development Administration (ODA): correspondence from civil servant in ODA) 82 Feb 12 85 Dec 3 14 Dec 30 9 Confidential 59
PDF PREM19/1431 Commonwealth (Commonwealth Heads of Government Meeting (CHOGM), Nassau, Bahamas, October 1985) (Part 9) 84 Jun 18 85 Oct 13 14 Dec 30 1 Secret 242
PDF PREM19/1432 Cyprus (Internal situation: UK/Cyprus relations) (Part 2) 83 Dec 1 85 May 31 14 Dec 30 9 Secret 446
PDF PREM19/1433 Cyprus (Visits to the UK by President Kyprianou: meetings with Prime Minister) (Part 1) 79 Dec 10 85 Jan 14 14 Dec 30 3 Secret 386
PDF PREM19/1434 Defence (Higher defence organisation: Ministerial responsibilities; Management Information System for Ministers (MINIS)) 81 Feb 10 82 Jul 22 14 Dec 30 1 Confidential 43
PDF PREM19/1435 Defence (Celebration of 40th anniversary of Victory in Europe (VE) Day) 84 Oct 2 85 May 29 14 Dec 30 5 Confidential 189
PDF PREM19/1436 Defence (Report by General Sir Hugh Beach on the handling and control of military information) 83 Nov 1 85 Apr 18 14 Dec 30 Confidential 181
PDF PREM19/1437 Defence (Proposal by Julian Amery MP to revive the Special Operations Executive (SOE): history of SOE in the Far East, Greece and Scandinavia) 80 Apr 3 85 Dec 16 14 Dec 30 12 Secret 48
PDF PREM19/1438 Defence (Correspondence concerning the Army Medal Office) 85 Jan 10 85 Mar 7 14 Dec 30 Confidential 37
PDF PREM19/1439 Defence (Closures of and changes to Ministry of Defence (MOD) establishments: Prime Minister's visit to Royal College of Defence Studies (RCDS), December 1985) 85 May 19 85 Dec 10 14 Dec 30 Confidential 20
PDF PREM19/1440 Defence (Procurement of weapon systems: national defence technological capabilities; rising cost of defence equipment; participation in European Fighter Aircraft project) (Part 2) 83 Dec 13 85 Jun 27 14 Dec 30 Secret 314
PDF PREM19/1441 Defence (Armed Forces' pay: pay review body report; Service doctors' and dentists' pay; local and overseas allowance; London weighting) (Part 2) 82 Mar 11 85 Dec 12 14 Dec 30 Secret 270
PDF PREM19/1442 Defence (Arms control) (Part 6A) 85 Mar 8 85 Jul 29 14 Dec 30 1 Secret 231
PDF PREM19/1443 Defence (Arms control) (Part 6B) 85 Jan 4 85 Feb 15 14 Dec 30 2 Secret 218
PDF PREM19/1444 Defence (Ballistic missile defence: United States Strategic Defence Initiative (SDI); UK participation in research programme) (Part 2) 85 Jan 2 85 Apr 30 14 Dec 30 Secret 225
PDF PREM19/1445 Defence (Ballistic missile defence: United States Strategic Defence Initiative (SDI); UK participation in research programme) (Part 3) 85 May 30 85 Nov 29 14 Dec 30 Secret 285
PDF PREM19/1446 Defence (Defence sales) (Part 5) 85 Jan 2 85 Oct 25 15 Jul 16 30 Secret 357
Info only PREM19/1447 Defence (UK Strategic Nuclear Deterrent) (Part 6) 82 Dec 16 85 Jan 31 Reconsideration in 2024 Retained Sec 3.4
PDF PREM19/1448 Disasters (Bradford City Football Club fire: Prime Minister's visit to Bradford, May 1985) 85 May 12 85 May 22 14 Dec 30 Confidential 42
PDF PREM19/1449 Downing Street (250th anniversary of Prime Minister's residence at 10 Downing Street; BBC documentary) 84 Dec 10 85 Dec 12 14 Dec 30 15 Confidential 181
PDF PREM19/1450 Drugs (Drug misuse: prevention; proposed legislation) (Part 1) 82 Nov 19 85 May 31 14 Dec 30 Confidential 252
PDF PREM19/1451 Drugs (Drug misuse: trafficking; proposed legislation; Association of Chief Police Officers (ACPO) report) (Part 2) 85 Jun 3 85 Sep 30 14 Dec 30 Secret 219
PDF PREM19/1452 Economic policy (Public Spending) (Part 31) 84 Dec 17 85 Apr 30 14 Dec 30 Secret 330
PDF PREM19/1453 Economic policy (Public Spending) (Part 32) 85 May 10 85 Sep 30 14 Dec 30 Secret 241