Zenit (satellite) (English Wikipedia)

Mark Wade. "Zenit-2 satellite". Encyclopedia Astronautica. Retrieved 6 June 2024.
Mark Wade. "Zenit-4MKM". Encyclopedia Astronautica. Retrieved 7 June 2024.
Mark Wade. "Zenit-4MKT". Encyclopedia Astronautica. Retrieved 7 June 2024.
Mark Wade. "Soyuz-2-1A". Encyclopedia Astronautica. Retrieved 7 January 2010.

cosmopark.ru

Timothy Varfolomeyev (1998). "Soviet Rocketry That Conquered Space: Part 8:Successes and Failures of a Three-Stage Launcher". Archived from the original on 3 March 2016. Retrieved 22 February 2013.

skyrocket.de

space.skyrocket.de

Gunter D. Krebs. "Zenit-2 (11F61)". Gunter's Space Page. Retrieved 12 May 2013.
Gunter D. Krebs. "Zenit-2M (Gektor, 11F690)". Gunter's Space Page. Retrieved 12 May 2013.
Gunter D. Krebs. "Zenit-2M/NKh (Gektor-Priroda, 11F690)". Gunter's Space Page. Retrieved 12 May 2013.
Gunter D. Krebs. "Zenit-4 (11F69)". Gunter's Space Page. Retrieved 12 May 2013.
Gunter D. Krebs. "Zenit-4M (Rotor, 11F691)". Gunter's Space Page. Retrieved 12 May 2013.
Gunter D. Krebs. "Zenit-4MK (Germes, 11F692)". Gunter's Space Page. Retrieved 7 June 2024.
Gunter D. Krebs. "Zenit-4MKM (Gerakl, 11F692M)". Gunter's Space Page. Retrieved 7 June 2024.
Gunter D. Krebs. "Zenit-4MKT (Fram, 11F635)". Gunter's Space Page. Retrieved 12 May 2013.
Gunter D. Krebs. "Zenit-4MT (Orion, 11F629)". Gunter's Space Page. Retrieved 12 May 2013.
Gunter D. Krebs. "Zenit-6U (Argon, 11F645)". Gunter's Space Page. Retrieved 12 May 2013.
Gunter D. Krebs. "Zenit-8 (Oblik, 17F116)". Gunter's Space Page. Retrieved 12 May 2013.
Gunter D. Krebs. "Zenit-8-Dummy (Oblik-Dummy, 17F116ML)". Gunter's Space Page. Retrieved 7 June 2024.

svengrahn.pp.se

Sven Grahn. "Soviet/Russian reconnaissance satellites page at Sven's Space Place". Archived from the original on 2 May 2021. Retrieved 15 July 2005.

web.archive.org

Timothy Varfolomeyev (1998). "Soviet Rocketry That Conquered Space: Part 8:Successes and Failures of a Three-Stage Launcher". Archived from the original on 3 March 2016. Retrieved 22 February 2013.
Sven Grahn. "Soviet/Russian reconnaissance satellites page at Sven's Space Place". Archived from the original on 2 May 2021. Retrieved 15 July 2005.
Robert Christy. "Complete Zenit Chronology". Zarya.info. Archived from the original on 23 October 2020. Retrieved 2 May 2013.
Robert Christy. "Zenit-2 Missions". Zarya.info. Archived from the original on 1 October 2020. Retrieved 12 May 2013.
Robert Christy. "Zenit-2M Missions". Zarya.info. Archived from the original on 28 September 2020. Retrieved 12 May 2013.
Robert Christy. "Zenit-4 Missions". Zarya.info. Archived from the original on 28 September 2020. Retrieved 12 May 2013.
Robert Christy. "Zenit-4M Missions". Zarya.info. Archived from the original on 28 September 2020. Retrieved 12 May 2013.
Robert Christy. "Zenit-4MK Missions". Zarya.info. Archived from the original on 28 September 2020. Retrieved 12 May 2013.
Robert Christy. "Zenit-4MKM Missions". Zarya.info. Archived from the original on 28 September 2020. Retrieved 12 May 2013.
Robert Christy. "Zenit-4MKT Missions". Zarya.info. Archived from the original on 28 September 2020. Retrieved 12 May 2013.
Robert Christy. "Zenit-4MT Missions". Zarya.info. Archived from the original on 28 September 2020. Retrieved 12 May 2013.
Robert Christy. "Zenit-6 Missions". Zarya.info. Archived from the original on 28 September 2020. Retrieved 12 May 2013.
Robert Christy. "Zenit-8 Missions". Zarya.info. Archived from the original on 28 September 2020. Retrieved 12 May 2013.

zarya.info

Robert Christy. "Complete Zenit Chronology". Zarya.info. Archived from the original on 23 October 2020. Retrieved 2 May 2013.
Robert Christy. "Zenit-2 Missions". Zarya.info. Archived from the original on 1 October 2020. Retrieved 12 May 2013.
Robert Christy. "Zenit-2M Missions". Zarya.info. Archived from the original on 28 September 2020. Retrieved 12 May 2013.
Robert Christy. "Zenit-4 Missions". Zarya.info. Archived from the original on 28 September 2020. Retrieved 12 May 2013.
Robert Christy. "Zenit-4M Missions". Zarya.info. Archived from the original on 28 September 2020. Retrieved 12 May 2013.
Robert Christy. "Zenit-4MK Missions". Zarya.info. Archived from the original on 28 September 2020. Retrieved 12 May 2013.
Robert Christy. "Zenit-4MKM Missions". Zarya.info. Archived from the original on 28 September 2020. Retrieved 12 May 2013.
Robert Christy. "Zenit-4MKT Missions". Zarya.info. Archived from the original on 28 September 2020. Retrieved 12 May 2013.
Robert Christy. "Zenit-4MT Missions". Zarya.info. Archived from the original on 28 September 2020. Retrieved 12 May 2013.
Robert Christy. "Zenit-6 Missions". Zarya.info. Archived from the original on 28 September 2020. Retrieved 12 May 2013.
Robert Christy. "Zenit-8 Missions". Zarya.info. Archived from the original on 28 September 2020. Retrieved 12 May 2013.