Project Gemini
- Includes links on the objectives of the project, a history of the missions, a detailed image gallery, and biographies of the crews.
- http://www.ksc.nasa.gov/inforcenter/history/gemini/gemini.html

Gemini 12
- Spacecraft and mission profile from the National Space Science Data Center.
- http://nssdc.gsfc.nasa.gov/nmc/tmp/1966-104A.html

Gemini 11
- Spacecraft and mission profile from the National Space Science Data Center.
- http://nssdc.gsfc.nasa.gov/nmc/tmp/1966-081A.html

Gemini 10
- Spacecraft and mission profile from the National Space Science Data Center.
- http://nssdc.gsfc.nasa.gov/nmc/tmp/1966-066A.html

Gemini 9A
- Spacecraft and mission profile from the National Space Science Data Center.
- http://nssdc.gsfc.nasa.gov/nmc/tmp/1966-047A.html

Gemini 8
- Spacecraft and mission profile from the National Space Science Data Center.
- http://nssdc.gsfc.nasa.gov/nmc/tmp/1966-020A.html

Gemini 6A
- Spacecraft and mission profile from the National Space Science Data Center.
- http://nssdc.gsfc.nasa.gov/nmc/tmp/1965-104A.html

Gemini 7
- Spacecraft and mission profile from the National Space Science Data Center.
- http://nssdc.gsfc.nasa.gov/nmc/tmp/1965-100A.html

Gemini 5
- Spacecraft and mission profile from the National Space Science Data Center.
- http://nssdc.gsfc.nasa.gov/nmc/tmp/1965-068A.html

Gemini 4
- Spacecraft and mission profile from the National Space Science Data Center.
- http://nssdc.gsfc.nasa.gov/nmc/tmp/1965-043A.html

Gemini 3
- Spacecraft and mission profile from the National Space Science Data Center.
- http://nssdc.gsfc.nasa.gov/nmc/tmp/1965-024A.html

Project Gemini: A Chronology
- NASA book detailing all aspects of Project Gemini, including design, development, and flight tests.
- http://history.nasa.gov/SP-4002/cover.htm

On The Shoulders of Titans: A History of Project Gemini
- History of the Gemini project, the intermediate manned space program between America's first steps into space with Mercury and the manned lunar expeditions of Apollo.
- http://www.hq.nasa.gov/office/pao/History/SP-4203/cover.htm

Project Gemini Drawings and Technical Diagrams
- Blueprint-type drawings of the Gemini spacecraft.
- http://www.hq.nasa.gov/office/pao/History/diagrams/gemini.html

Gemini Press Reference Book
- Provides a thorough overview of the technology and systems making up the Gemini Project spacecraft. Includes technical diagrams of spacecraft subsystems.
- http://www.apollosaturn.com/geminiNR/contents.htm