Operation Sea Lion (English Wikipedia)

Lee, Loyd E.; Lee, Lily Xiao Hong (1991). World War II: Crucible of the Contemporary World : Commentary and Readings. M.E. Sharpe. ISBN 978-0873327312. Retrieved 8 April 2013 – via Google Books.
Evans & Mcgeoch 2014, pp. 87–88. Evans, Martin Marix; Mcgeoch, Angus (2014). Invasion!: Operation Sea Lion, 1940. Taylor & Francis. ISBN 978-1-317-86827-9.
John Colville, The Fringes of Power (1986), diary notes on Churchill's 11 July meetings; in Michael I. Handel (2012). War, Strategy and Intelligence. Routledge. p. 221. ISBN 978-1-136-28631-5. He emphasised that the great invasion scare (which we only ceased to deride six weeks ago) is serving a most useful purpose: it is well on the way to providing us with the finest offensive army we have ever possessed and it is keeping every man and woman tuned to a high pitch of readiness. He does not wish the scare to abate therefore, and although personally he doubts whether invasion is a serious menace he intends to give that impression, and to talk about long and dangerous vigils, etc., when he broadcasts on Sunday.
Gatchel, Theodore (2011). At the Water's Edge: Defending Against the Modern Amphibious Assault. Annapolis, Maryland: Naval Institute Press. p. 42. ISBN 978-1591143222.
Handbook on German military forces – Google Books. LSU Press. ISBN 978-0807140710. Retrieved 8 April 2013.
Goodall, H. Lloyd (2006). A need to know: the clandestine history of a CIA family. Left Coast Press, Inc., p. 175
Lampe, David (2007). The Last Ditch: Britain's Secret Resistance and the Nazi Invasion Plan. Greenhill Books. ISBN 978-1853677304. Retrieved 8 April 2013.

cia.gov

"German Plans for the Invasion of England, 1940 Operation "SEALION"" (PDF). CIA Reading Room. CIA. p. v. Retrieved 15 July 2024. S-Tag = Erster Operationstag für den "Seelöwen" = D-Day for Operation "Sealion"

der-fuehrer.org

Murray 2002, pp. 32–33, 35, Directive No. 6 for the Conduct of the War Archived 29 July 2016 at the Wayback Machine, Berlin, 9 October 1939 Murray, Williamson (2002). Strategy for Defeat the Luftwaffe 1933–1945. University Press of the Pacific. ISBN 978-0-89875-797-2.
Overy 2013, p. 68, Directive No. 9 – Instructions For Warfare Against The Economy of the Enemy Archived 4 March 2016 at the Wayback Machine, Berlin, 29 November 1939. Overy, Richard J. (2013). The Bombing War : Europe 1939–1945. London & New York: Allen Lane. ISBN 978-0-7139-9561-9.

drive.google.com

"The Invaders reach Berkshire: Article from Daily Telegraph". Retrieved 26 April 2019.

five.tv

demand.five.tv

"Demand Five | watch Revealed, Series 2 - episode 3, Britain's Nazi King". demand.five.tv. Archived from the original on 21 July 2009. Retrieved 15 January 2022.

historicalsocietyofgermanmilitaryhistory.com

"Operation Sea Lion". Historical Society of German Military History – Historische Gesellschaft der deutschen Militärgeschichte. 13 February 2018. Archived from the original on 7 March 2018. Retrieved 7 March 2018.

historylearningsite.co.uk

"Operation Sealion – History Learning Site". The History Learning Site. Archived from the original on 29 May 2017. Retrieved 7 May 2017.

ibiblio.org

Murray 2002, pp. 32–33, 35, Directive No. 6 for the Conduct of the War Archived 29 July 2016 at the Wayback Machine, Berlin, 9 October 1939 Murray, Williamson (2002). Strategy for Defeat the Luftwaffe 1933–1945. University Press of the Pacific. ISBN 978-0-89875-797-2.
Murray 2002, pp. 44–45. Murray, Williamson (2002). Strategy for Defeat the Luftwaffe 1933–1945. University Press of the Pacific. ISBN 978-0-89875-797-2.

littlewars.se

"German Weapons – Operation Sealion (Seelöwe) – The German Invasion of Britain 1940". littlewars.se. Archived from the original on 28 April 2018. Retrieved 28 April 2018.

news.google.com

"Next Week May See Nazis Attempt British Invasion". St. Petersburg Times. 3 August 1940. p. 1. Retrieved 26 November 2011.

rusi.org

RUSI Journal, Archived 28 December 2017 at the Wayback Machine (retrieved 27 December 2017)

shef.ac.uk

mr-home.staff.shef.ac.uk

"Ww2pen3.doc" (PDF). Archived (PDF) from the original on 16 February 2017. Retrieved 10 May 2013.
"Archived copy". Archived from the original on 13 June 2008. Retrieved 1 June 2006.{{cite web}}: CS1 maint: archived copy as title (link)

spiegel.de

Frenzel, EikeAbwehr (21 August 2014). "Hitlers Unternehmen "Seelöwe": Invasion der Amateure" [Hitler's Operation "Sea Lion": Invasion of Amateurs]. Der Spiegel (in German). Hamburg: Spiegel-Verlag. Archived from the original on 21 August 2014. Retrieved 21 August 2014.

uk-tv-guide.com

"Britain's Nazi King – Revealed July 16th, 2009 : digiguide.tv". Uk-tv-guide.com. 16 July 2009. Archived from the original on 7 March 2021. Retrieved 14 October 2012.(subscription required)

warhistoryonline.com

Baylor, Joshua (23 March 2019). "Guns of Navarone: How Effective was Coastal Artillery in WWII? | War History Online". warhistoryonline. Retrieved 4 April 2024.
Baylor, Joshua (23 March 2019). "Guns of Navarone: How Effective was Coastal Artillery in WWII? | War History Online". warhistoryonline. Retrieved 4 April 2024.

web.archive.org

Führer Directive 16 Archived 17 March 2014 at the Wayback Machine, 16 July 1940.
Cruickshank, Dan. "The German Threat to Britain in World War Two". BBC History. Archived from the original on 15 May 2017. Retrieved 7 May 2017.
"Operation Sealion – History Learning Site". The History Learning Site. Archived from the original on 29 May 2017. Retrieved 7 May 2017.
Murray 2002, pp. 32–33, 35, Directive No. 6 for the Conduct of the War Archived 29 July 2016 at the Wayback Machine, Berlin, 9 October 1939 Murray, Williamson (2002). Strategy for Defeat the Luftwaffe 1933–1945. University Press of the Pacific. ISBN 978-0-89875-797-2.
Overy 2013, p. 68, Directive No. 9 – Instructions For Warfare Against The Economy of the Enemy Archived 4 March 2016 at the Wayback Machine, Berlin, 29 November 1939. Overy, Richard J. (2013). The Bombing War : Europe 1939–1945. London & New York: Allen Lane. ISBN 978-0-7139-9561-9.
"Directive No. 16 – On preparations for a landing operation against England". Führer Headquarters. 16 July 1940. Archived from the original on 3 March 2016. Retrieved 11 February 2016.
"Directive No. 17 – For the conduct of air and sea warfare against England". Führer Headquarters. 1 August 1940. Archived from the original on 3 March 2016. Retrieved 11 February 2016.
"Operation Sea Lion". Historical Society of German Military History – Historische Gesellschaft der deutschen Militärgeschichte. 13 February 2018. Archived from the original on 7 March 2018. Retrieved 7 March 2018.
"German Weapons – Operation Sealion (Seelöwe) – The German Invasion of Britain 1940". littlewars.se. Archived from the original on 28 April 2018. Retrieved 28 April 2018.
"History – World Wars: The German Threat to Britain in World War Two". BBC. Archived from the original on 12 November 2012. Retrieved 14 October 2012.
RUSI Journal, Archived 28 December 2017 at the Wayback Machine (retrieved 27 December 2017)
Frenzel, EikeAbwehr (21 August 2014). "Hitlers Unternehmen "Seelöwe": Invasion der Amateure" [Hitler's Operation "Sea Lion": Invasion of Amateurs]. Der Spiegel (in German). Hamburg: Spiegel-Verlag. Archived from the original on 21 August 2014. Retrieved 21 August 2014.
"Archived copy". Archived from the original on 13 June 2008. Retrieved 1 June 2006.{{cite web}}: CS1 maint: archived copy as title (link)
"Britain's Nazi King – Revealed July 16th, 2009 : digiguide.tv". Uk-tv-guide.com. 16 July 2009. Archived from the original on 7 March 2021. Retrieved 14 October 2012.(subscription required)
"Demand Five | watch Revealed, Series 2 - episode 3, Britain's Nazi King". demand.five.tv. Archived from the original on 21 July 2009. Retrieved 15 January 2022.

wikiwix.com

archive.wikiwix.com

"Ww2pen3.doc" (PDF). Archived (PDF) from the original on 16 February 2017. Retrieved 10 May 2013.

ww2db.com

Führer Directive 16 Archived 17 March 2014 at the Wayback Machine, 16 July 1940.
"Führer Directive 17". WW2DB. Retrieved 26 August 2021.