Sources and acknowledgements

The National Archives, Kew, London

ADM179/146: Orders for Operation "Medium": information on intelligence and communications, report of proceedings of HMS REVENGE (1940)

AIR2/5238: Enemy Air Offensive against Great Britain (Code B, 45): Operation MOONLIGHT SONATA (bombing of Coventry) and counter-plan COLD WATER

AIR2/7415: Fighter Command: Fighter interception during raid on Coventry on night of 14/15th Nov. 1940: report

AIR8/352: Operations “Moonlight Sonata” and “Cold Water”

AIR14/2905: “Headache”: progress reports Nos. 1–44 (July 1940–December 1942)

AIR14/671: Operation "Medium": Bomber Command co-operation with Royal Navy (1940 Oct.–Nov.)

AIR20/1046: Operation "Medium" (1940 Sept.–Oct.)

AIR 22/481: Air Ministry W/T (Wireless Telegraphy) Intelligence Service Daily Summaries: nos. 425-454 Vol.6 (1940 Nov.)

AIR27/188/22: Operations Record Book, No. 99 Squadron (1 September– 31 December 1940)

AIR 27/958: Squadron Number 139, Summary of Events: Y (1 – 31 October 1940)

AIR 27/963: Squadron Number 139, Appendices: Y (1 September 1939 – 31 December 1940)

AIR29/602: Operations Record Book, Blind Approach Training and Development Unit/Wireless Intelligence Development Unit (1939 Sept.–1940 Oct.)

AIR40/2401: Interrogation of German and Italian Prisoners of War: Reports 1940 Oct.–Nov.

AIR40/2402: Interrogation of German and Italian Prisoners of War: Reports 1940 Nov.–Dec.

AIR40/2336: RCM: 80 Wing Periodical Reports, 1940.

AIR40/3071: CSDIC(UK) SRA Nos. 500–899 (incomplete) 11/9/40–12/11/40

AIR 40/3049: Report No 10: X-Gerät (German system of blind bombing) (1 January–31 December 1940)

AIR40/3072: CSDIC(UK) SRA Nos. 900–1199 (incomplete) 3/11/40–28/1/41

AVIA7/131: Air Ministry Research Establishment, Worth Matravers, Swanage, Dorset: Programme of Research Work “Headache” (Part I)

AVIA7/132: Air Ministry Research Establishment, Worth Matravers, Swanage, Dorset: Programme of Research Work “Headache” (Part II)

HW5/5: Government Code and Cypher School: German Section: Reports of German Army and Air Force High Grade Machine Decrypts (CX/FJ, CX/JQ and CX/MSS Reports) Sept 12 1940–Oct 10 1940

HW5/6: ditto Oct 26 1940–Dec 2 1940

HW5/7: ditto Dec 3 1940–Jan 1 1941

HW5/719: "BROWN" reports — translations for Dr R V Jones (ADI Science) of traffic of LN Versuchsregiment, Koethen, relating to the setting up and operation of navigational beams (Knickebein) to guide Luftwaffe bombing raids (1940 Sept 5–1941 Mar 25)

HW14/8: Government Code and Cypher School Policy Papers (November 1940)

HW14/9: Government Code and Cypher School: Policy Papers (December 1940)

Imperial War Museum, London and Bundesarchiv-Militärarchiv, Freiburg-im-Breisgau

General Quartiermeister 6. Abt. aircraft loss reports, November 1940

Web sources

http://s110605900.websitehome.co.uk/beams/beam-main-a.htm

http://www.absa39-45.com/Pertes%20Bretagne/Morbihan/pertes_luftwaffe_morbihan.html

http://www.historiccoventry.co.uk/blitz/blitz.php

http://www.winstonchurchill.org/learn/myths/myths/he-let-coventry-burn

http://www.bletchleypark.org.uk/content/archive/index/november1940.rhtm

http://www.familyresearcher.co.uk/Blitz-Victims/Coventry-Blitz-Resource-Centre.html

http://sussexhistoryforum.co.uk/index.php?topic=7770.0

https://www.flickr.com/photos/32293736@N04/6974951880

http://gallery.commandoveterans.org

https://books.google.co.uk/books?id=tIM7CQAAQBAJ&printsec=frontcover#v=onepage&q&f=false

http://lewishamwarmemorials.wikidot.com/person:grigg-david-lionel-gm

Fold3.com: British Admiralty War Diaries

http://www.naval-history.net/xGM-Chrono-01BB-Revenge.htm

http://www.wlb-stuttgart.de/seekrieg/40-10.htm

Published sources

Gebhardt Aders: History of the German Night Fighter Force 1917–1945 (Jane’s, London 1979) ISBN 0 354 01247 9

Ulf Balke: Der Luftkrieg in Europa, Band 1 (Bernard & Graefe, Koblenz 1990) ISBN 3-7637-5883-6

Bill Gunston: Night Fighters, A Development and Combat History (Patrick Stephens Ltd., Cambridge 1976) ISBN 0 85059 236 4

John Jackson: Code Wars: How 'Ultra' and 'Magic' Led to Allied Victory (Pen & Sword Military, Barnsley 2011) ISBN 978-1848845107

R.V. Jones: Most Secret War (Penguin, London 2009) ISBN 978-0-141-04282-4

Alfred Price: Blitz on Britain 1939–45 (Purnell Book Services, Abingdon 1977)

Andy Saunders: Luftwaffe Bombers of the Blitz 1940–41 (Pen & Sword Military, Barnsley 2015) ISBN 978 1 78303 0 224

Ken Wakefield: Pfadfinder: Luftwaffe Pathfinder Operations Over Britain, 1940–44 (Tempus, Stroud 1999) ISBN 0 7524 1692 8.

Members of the 12 O’Clock High forum

Martin Giles and Leendert

Further reading

The Bletchley Park National Code Centre page on the events at the Park in November 1940.

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