Gemini 4 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Gemini 4" in English language version.

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astronautix.com

Wade, Mark. "Gemini 4". Encyclopedia Astronautica. Archived from the original on July 16, 2019. Retrieved January 18, 2020.

"System/360 Model 20 (A) (1964)". IBM Archives. IBM. 23 January 2003. Retrieved 2019-04-26.

"Gemini IV" (PDF). Gemini Program Mission Report (MSC-G-R-65-3). NASA: 4-2. June 1965.
Hacker, Barton C. (1977). On the Shoulders of Titans: A History of Project Gemini (PDF). Washington, D.C.: NASA. Archived from the original (PDF) on 3 May 2020. Retrieved 22 January 2015.

Hacker, Barton C.; Grimwood, James M. (September 1974). "Chapter 11 Pillars of Confidence". On the Shoulders of Titans: A History of Project Gemini. NASA History Series. Vol. SP-4203. NASA. p. 239. Archived from the original on 2010-01-13. Retrieved 2013-09-26. With Gemini IV, NASA changed to Roman numerals for Gemini mission designations.

Hacker, Barton C.; Grimwood, James M. (September 1974). "Chapter 11 Pillars of Confidence". On the Shoulders of Titans: A History of Project Gemini. NASA History Series. Vol. SP-4203. NASA. p. 239. Archived from the original on 2010-01-13. Retrieved 2013-09-26. With Gemini IV, NASA changed to Roman numerals for Gemini mission designations.
Hacker, Barton C. (1977). On the Shoulders of Titans: A History of Project Gemini (PDF). Washington, D.C.: NASA. Archived from the original (PDF) on 3 May 2020. Retrieved 22 January 2015.
Composite Air-to-ground and Onboard Voice Tape Transcription of the GT-4 Mission (U) (PDF), NASA, August 31, 1965, p. 3, archived from the original (PDF) on 24 November 2002
Wade, Mark. "Gemini 4". Encyclopedia Astronautica. Archived from the original on July 16, 2019. Retrieved January 18, 2020.
Oral History Transcript / James A. McDivitt / Interviewed by Doug Ward / Elk Lake, Michigan – 29 June 1999.