Delta III-class submarine (English Wikipedia)

"Russian Nuclear Sub Lightly Damaged in Collision". Defense News. 22 September 2011. Archived from the original on 29 July 2012. Retrieved 27 December 2011.

bellona.ru (Global: low place; English: low place)

"Началась утилизация АПЛ «Борисоглебск»" [The dismantling of the Borisoglebsk nuclear submarine has begun]. Bellona.ru (in Russian). 9 December 2008. Archived from the original on 5 September 2011. Retrieved 30 September 2010.

deepstorm.ru (Global: low place; English: low place)

"Подводные лодки. Проект 667БДР". www.deepstorm.ru. Retrieved 14 May 2024.
"Проект 667БДР «Кальмар» (NATO – "Delta III")" [Project 667BDR "Kalmar"]. DeepStorm (in Russian). Archived from the original on 29 September 2011.
"К-211, "Петропавловск-Камчатский", Проект 667БДР" [K-211, "Petropavlovsk-Kamchatsky", Project 667BDR]. DeepStorm (in Russian). Archived from the original on 7 October 2018. Retrieved 16 May 2019.
"К-180, Проект 667БДР" [K-180, Project 667BDR]. Deepstorm (in Russian). Archived from the original on 29 September 2011. Retrieved 21 October 2010.
"K-129, KC-129, БС-136, "Оренбург", проекты 667БДР, 09786" [K-129, KC-129, BS-136, "Orenburg", projects 667BDR, 09786]. DeepStorm (in Russian). Archived from the original on 29 September 2011. Retrieved 30 September 2010.

defensenews.com (Global: 1,259^th place; English: 839^th place)

"Russian Nuclear Sub Lightly Damaged in Collision". Defense News. 22 September 2011. Archived from the original on 29 July 2012. Retrieved 27 December 2011.

flot.com (Global: 6,354^th place; English: low place)

"Океанский щит России: Часть 2" [Ocean Shield of Russia: Part 2]. flot.com (in Russian). Archived from the original on 11 July 2011.

reuters.com (Global: 49^th place; English: 47^th place)

Marrow, Alexander (21 October 2019). "Russian nuclear submarine aborts ballistic missile test". Reuters. Retrieved 21 October 2019.

rusnavy.com (Global: low place; English: low place)

"Zvezdochka experts discharged nuclear fuel from SSBN Borisoglebsk". Rusnavy.com. 10 March 2010. Archived from the original on 17 March 2010. Retrieved 30 September 2010.
"Russian nuclear submarine makes 30-day trip under Arctic ice". Rusnavy.com. 1 October 2008. Archived from the original on 14 September 2011. Retrieved 30 September 2010.

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

"Ryazan Project 667BDR submarine is back in service". Russianforces.org. 15 February 2017. Archived from the original on 20 October 2018. Retrieved 16 May 2019.
Podvig, Pavel (28 November 2008). "Strategic fleet". RussianForces.org. Archived from the original on 14 May 2011. Retrieved 30 September 2010.
Podvig, Pavel (14 March 2018). "Two Project 667BDR submarines withdrawn from service". Russian Strategic Nuclear Forces. Archived from the original on 27 July 2018. Retrieved 30 March 2018.

twz.com (Global: low place; English: low place)

Trevithick, Joseph (30 July 2025). "Questions Swirl Around Status Of Russian Nuclear Submarine Base After Historic Earthquake". The War Zone. Recurrent Ventures. Retrieved 31 July 2025.

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

"Океанский щит России: Часть 2" [Ocean Shield of Russia: Part 2]. flot.com (in Russian). Archived from the original on 11 July 2011.
"Проект 667БДР «Кальмар» (NATO – "Delta III")" [Project 667BDR "Kalmar"]. DeepStorm (in Russian). Archived from the original on 29 September 2011.
"Zvezdochka experts discharged nuclear fuel from SSBN Borisoglebsk". Rusnavy.com. 10 March 2010. Archived from the original on 17 March 2010. Retrieved 30 September 2010.
"Ryazan Project 667BDR submarine is back in service". Russianforces.org. 15 February 2017. Archived from the original on 20 October 2018. Retrieved 16 May 2019.
Podvig, Pavel (28 November 2008). "Strategic fleet". RussianForces.org. Archived from the original on 14 May 2011. Retrieved 30 September 2010.
"Началась утилизация АПЛ «Борисоглебск»" [The dismantling of the Borisoglebsk nuclear submarine has begun]. Bellona.ru (in Russian). 9 December 2008. Archived from the original on 5 September 2011. Retrieved 30 September 2010.
"К-211, "Петропавловск-Камчатский", Проект 667БДР" [K-211, "Petropavlovsk-Kamchatsky", Project 667BDR]. DeepStorm (in Russian). Archived from the original on 7 October 2018. Retrieved 16 May 2019.
Podvig, Pavel (14 March 2018). "Two Project 667BDR submarines withdrawn from service". Russian Strategic Nuclear Forces. Archived from the original on 27 July 2018. Retrieved 30 March 2018.
"К-180, Проект 667БДР" [K-180, Project 667BDR]. Deepstorm (in Russian). Archived from the original on 29 September 2011. Retrieved 21 October 2010.
"K-129, KC-129, БС-136, "Оренбург", проекты 667БДР, 09786" [K-129, KC-129, BS-136, "Orenburg", projects 667BDR, 09786]. DeepStorm (in Russian). Archived from the original on 29 September 2011. Retrieved 30 September 2010.
"Russian nuclear submarine makes 30-day trip under Arctic ice". Rusnavy.com. 1 October 2008. Archived from the original on 14 September 2011. Retrieved 30 September 2010.

Delta III-class submarine (English Wikipedia)

archive.today (Global: 14th place; English: 14th place)

bellona.ru (Global: low place; English: low place)

deepstorm.ru (Global: low place; English: low place)

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rusnavy.com (Global: low place; English: low place)

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

twz.com (Global: low place; English: low place)

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

archive.today (Global: 14^th place; English: 14^th place)

defensenews.com (Global: 1,259^th place; English: 839^th place)

flot.com (Global: 6,354^th place; English: low place)

reuters.com (Global: 49^th place; English: 47^th place)

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