HMS Graph (English Wikipedia)

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His Majesty's U-Boat (Motion picture). London: British Pathé. 9 October 1941. 1133.07. Retrieved 13 September 2009.

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iwm.org.uk (Global: 4,202^nd place; English: 2,533^rd place)

The Imperial War Museum's collection includes a recorded interview of former RAF Flying Officer Hugh Eccles, who was one of the crew of this aircraft.
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nationalarchives.gov.uk (Global: 744^th place; English: 547^th place)

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"ADM 259/575—Trials of captured U-boat HMS/M Graph". Royal Navy, now in The National Archives. 1942.
"ADM253/436—Magnetic field of captured German submarine U570 (HMS/M Graph)". Mine Design Department and Mining Establishment, Royal Navy, now in The National Archives. 1941.
"ADM 1/11826—NAVAL TRAINING (54): Control room of U570 (later HMS/M GRAPH): construction by Vickers-Armstrong for training boarding parties". Royal Navy, now in The National Archives.

navyhistory.org.au (Global: low place; English: low place)

Gladstone, Lieutenant G.V. (30 September 1974). "HMAS Quickmatch Takes a Prize". Naval History Society of Australia. Retrieved 12 May 2014.

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"How flower power beat a U-Boat in the Atlantic". Barrow Submariner's Association. Archived from the original on 4 October 2013. Retrieved 26 June 2013.
Myers, Bill. "Graph (P715)". Boat Database: Graph. Submariner's Association, Barrow–in–Furness Branch. Archived from the original on 16 May 2013. Retrieved 13 November 2012.

thegazette.co.uk (Global: 200^th place; English: 141^st place)

"No. 35815". The London Gazette (Supplement). 4 December 1942. p. 5345.
"No. 35283". The London Gazette. 23 September 1941. p. 5521.
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"Lt-Cdr Martin Johnson". The Times. 28 July 2004.^{[dead link]}

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Historic Environment Scotland. "Hms/M Graph: Campa, Islay, Atlantic (Site no. NR16NE 8002)". Retrieved 19 June 2025.

uboat.net (Global: 2,553^rd place; English: 1,888^th place)

Helgason, Guðmundur. "HMS Graph (P 715)". German U-boats of WWII - uboat.net. Retrieved 25 September 2011.
Helgason, Guðmundur. "The Type VIIC Uboat U-570". German U-boats of WWII - uboat.net. Retrieved 25 September 2011.
"HMS Graph (P 715)". Allied Warships. uboat.net. Retrieved 26 February 2012.

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"Letter from LCDR Albrecht visiting London to LCDR Rihheldaffer concerning Code used in POW mail". U-boat Archive. Retrieved 13 February 2010.

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"A Grã-Bretanha Defensora da Liberdade [Great Britain, Defender of Liberty]" (Poster). Imperial War Museum: Posters of Conflict. Visual Arts Data Services. Retrieved 25 September 2009.

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"Uniforms and Insignia U-570 Sailor's Cap". Canadian War Museum. 6 October 2011.

web.archive.org (Global: 1^st place; English: 1^st place)

Thomas, Andrew (24 May 2001). "Icelandic Hunters – No 269 Squadron Royal Air Force" (PDF). Aviation News. St Leonards-on-Sea, East Sussex: HPC Publishing. Archived from the original (PDF) on 10 June 2011. Retrieved 13 September 2009.
"Grizedale Hall Prisoner-of-War Camp". The Battle of Britain London Monument. Archived from the original on 27 September 2011. Retrieved 4 February 2010.
"How flower power beat a U-Boat in the Atlantic". Barrow Submariner's Association. Archived from the original on 4 October 2013. Retrieved 26 June 2013.
"The Gallery". www.atlantik-pirat.com. 6 October 2011. Archived from the original on 25 April 2012. Retrieved 12 October 2011.
Myers, Bill. "Graph (P715)". Boat Database: Graph. Submariner's Association, Barrow–in–Furness Branch. Archived from the original on 16 May 2013. Retrieved 13 November 2012.

wrecksite.eu (Global: 8,419^th place; English: 5,782^nd place)

Carl Racey (6 October 2011). "U-570". www.wrecksite.eu.

HMS Graph (English Wikipedia)

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britishpathe.com (Global: 6,225th place; English: 3,853rd place)

btinternet.co.uk (Global: low place; English: low place)

oca.269squadron.btinternet.co.uk

historicalrfa.org (Global: low place; English: low place)

iwm.org.uk (Global: 4,202nd place; English: 2,533rd place)

nationalarchives.gov.uk (Global: 744th place; English: 547th place)

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thegazette.co.uk (Global: 200th place; English: 141st place)

timesonline.co.uk (Global: 241st place; English: 193rd place)

trove.scot (Global: low place; English: low place)

uboat.net (Global: 2,553rd place; English: 1,888th place)

uboatarchive.net (Global: low place; English: low place)

vads.ac.uk (Global: low place; English: low place)

warmuseum.ca (Global: low place; English: low place)

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archive.org (Global: 6^th place; English: 6^th place)

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britishpathe.com (Global: 6,225^th place; English: 3,853^rd place)

iwm.org.uk (Global: 4,202^nd place; English: 2,533^rd place)

nationalarchives.gov.uk (Global: 744^th place; English: 547^th place)

thegazette.co.uk (Global: 200^th place; English: 141^st place)

timesonline.co.uk (Global: 241^st place; English: 193^rd place)

uboat.net (Global: 2,553^rd place; English: 1,888^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

wrecksite.eu (Global: 8,419^th place; English: 5,782^nd place)