Frogman (English Wikipedia)

Aristotle (1882). On the Parts of Animals. translated by W. Ogle. London. p. 51. Just then as divers are sometimes provided with instruments for respiration, through which they can draw air from above the water, and thus may remain for a long time under the sea, so also have elephants been furnished by nature with their lengthened nostril, and, whenever they have to traverse the water, they lift this up above the surface and breathe through it.{{cite book}}: CS1 maint: location missing publisher (link)

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"The hidden world of police divers". 2010-06-14. Retrieved 2023-03-07.

books.google.com (Global: 3^rd place; English: 3^rd place)

Thucydides (1842). History of the Peloponnesian War (in Ancient Greek and Latin). Vol. 4, 26, and 7, 25. Paris: Ambrosio Firmin Didot.
Blocksdorf, Helmut (2008). Hitler's Secret Commandos: Operations of the K-Verband. Barnsley, South Yorkshire: Pen & Sword Military. ISBN 978-1844157839.
Hood, Jean, ed. (2007). Submarine. Conway Maritime. pp. 505–506. ISBN 978-1-84486-090-6.
Gawrych, George Walter (2000). The Albatross of Decisive Victory: War and Policy Between Egypt and Israel in the 1967 and 1973 Arab-Israeli Wars. Praeger. p. 111. ISBN 978-0313313028.
Hoyt, Edwin P. (15 June 2011). SEALs at War. Random House Publishing Group. pp. 159–. ISBN 978-0-307-57006-2.
Mann, Don (5 August 2014). How to Become a Navy SEAL: Everything You Need to Know to Become a Member of the US Navy's Elite Force. Skyhorse Publishing. pp. 18–. ISBN 978-1-62873-487-4.

codenames.info (Global: low place; English: low place)

Chant, Christoper. "Operation Principal (iii)". codenames.info. Retrieved 24 May 2023.

dtic.mil (Global: 934^th place; English: 530^th place)

apps.dtic.mil

Evans, James M. (1 April 1993). U. S. Navy Special Operations (1140) Community Diving and Salvage Functional Area (Research report). Washington, DC: Industrial College of the Armed Forces. p. 32. ADA278438. Retrieved 10 July 2026.

flyer.it (Global: low place; English: low place)

history.flyer.it

"Rebreathers - Rebreather Autorespiratori per l'Immersione Subacquea a recupero di gas".{{cite web}}: CS1 maint: deprecated archival service (link)

google.co.uk (Global: 1,519^th place; English: 727^th place)

O'Neill, Richard (2001). Suicide Squads: The Men and Machines of World War II Special Operations. Essex CT: The Lyons Press. p. 271. ISBN 978-1585744329. Retrieved January 14, 2026.

google.com (Global: 109^th place; English: 87^th place)

"Lambertsen's patent in Google Patents". Retrieved Sep 3, 2022.^{[dead link]}

gov.scot (Global: 6,524^th place; English: 3,564^th place)

"APPENDIX'D' Relationship between the Police and the Schools". www.gov.scot. Retrieved 2023-03-07.

hcmcpv.org.vn (Global: low place; English: low place)

"Major General Trần Hải Phụng – the talent commander of Sài Gòn commandos". hcmcpv.org.vn. Archived from the original on 8 February 2022. Retrieved 8 February 2022.

inquirer.com (Global: 1,419^th place; English: 693^rd place)

Downey, Sally A. (2011-02-21). "Christian J. Lambertsen, 93, developer of the first scuba gear". The Philadelphia Inquirer. Retrieved 2021-06-09.

ireland-calling.com (Global: low place; English: low place)

Kehoe, Pat (2020-08-29). "Paul Boyton - Fearless Frogman from Co Kildare". Ireland Calling. Retrieved 2021-06-09.

latimes.com (Global: 32^nd place; English: 21^st place)

Perry, Tony (2013-11-03). "John Spence dies at 95; Navy diver and pioneering WWII 'frogman'". Los Angeles Times. Retrieved 2013-11-27.

mcdoa.org.uk (Global: low place; English: low place)

Hoole, Rob (2007). "The Buster Crabb Enigma". mcdoa.org.uk. Minewarfare & Clearance Diving Officers' Association. Retrieved 21 July 2017.

nmrn-portsmouth.org.uk (Global: low place; English: low place)

"Information sheet no 101 - Attack on the Tirpitz" (PDF). www.nmrn-portsmouth.org.uk. National Museum of the Royal Navy. 2014. Retrieved 26 September 2016.

paginedidifesa.it (Global: low place; English: low place)

"Libri. Teseo Tesei e gli Assaltatori della Regia Marina, di Gianni Bianchi". December 13, 2005. Archived from the original on Oct 2, 2011. Retrieved Sep 3, 2022.

shef.ac.uk (Global: low place; English: 6,812^th place)

newhistories.group.shef.ac.uk

"Operation Algeciras: How Argentina planned to attack Gibraltar". newhistories.group.shef.ac.uk. New Histories. 21 May 2011. Retrieved 12 March 2017.

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

US Navy (2006). "19". US Navy Diving Manual, 6th revision. United States: US Naval Sea Systems Command. p. 13. Archived from the original on 2008-05-02. Retrieved 2008-06-15.

therebreathersite.nl (Global: low place; English: low place)

"Pirelli Diving Suit". www.therebreathersite.nl. Retrieved 2021-03-17.
Marí, Alejandro Sergio. "Pirelli ARO WW II". Therebreathersite.nl (Janwillem Bech).

un.org (Global: 117^th place; English: 160^th place)

legal.un.org

Reports of International Arbitral Awards : Case concerning the differences between New Zealand and France arising from the Rainbow Warrior affair (PDF). United Nations. 6 July 1986. p. 200. Retrieved 12 March 2017.

usnwc.edu (Global: low place; English: 6,213^th place)

O'Hara, Vincent P.; Cernuschi, Enrico. "Frogmen against a fleet: The Italian Attack on Alexandria 18/19 December 1941". www.usnwc.edu. Naval War College Review. Archived from the original on 12 February 2017. Retrieved 19 September 2016.

washingtonpost.com (Global: 35^th place; English: 24^th place)

Shapiro, T Rees (18 February 2011). "Christian J. Lambertsen, OSS officer who created early scuba device, dies at 93". Washington Post. Retrieved 16 May 2011.
Shapiro, T. Rees (2011-02-19). "Christian J. Lambertsen, OSS officer who created early scuba device, dies at 93". The Washington Post.

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

US Navy (2006). "19". US Navy Diving Manual, 6th revision. United States: US Naval Sea Systems Command. p. 13. Archived from the original on 2008-05-02. Retrieved 2008-06-15.
"Libri. Teseo Tesei e gli Assaltatori della Regia Marina, di Gianni Bianchi". December 13, 2005. Archived from the original on Oct 2, 2011. Retrieved Sep 3, 2022.
O'Hara, Vincent P.; Cernuschi, Enrico. "Frogmen against a fleet: The Italian Attack on Alexandria 18/19 December 1941". www.usnwc.edu. Naval War College Review. Archived from the original on 12 February 2017. Retrieved 19 September 2016.
"Major General Trần Hải Phụng – the talent commander of Sài Gòn commandos". hcmcpv.org.vn. Archived from the original on 8 February 2022. Retrieved 8 February 2022.

zionism-israel.com (Global: low place; English: low place)

Isseroff, Ami (2005). "Zionism and Israel - Encyclopedic Dictionary - Shayetet 13". www.zionism-israel.com. Retrieved 12 March 2017.

Frogman (English Wikipedia)

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