Gemini 10: Spacecraft and mission profile from the National Space Science Data Center.
Gemini 11: Spacecraft and mission profile from the National Space Science Data Center.
Gemini 12: Spacecraft and mission profile from the National Space Science Data Center.
Gemini 3: Spacecraft and mission profile from the National Space Science Data Center.
Gemini 4: Spacecraft and mission profile from the National Space Science Data Center.
Gemini 5: Spacecraft and mission profile from the National Space Science Data Center.
Gemini 6A: Spacecraft and mission profile from the National Space Science Data Center.
Gemini 7: Spacecraft and mission profile from the National Space Science Data Center.
Gemini 8: Spacecraft and mission profile from the National Space Science Data Center.
Gemini 9A: Spacecraft and mission profile from the National Space Science Data Center.
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.
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.
Project Gemini: Includes links on the objectives of the project, a history of the missions, a detailed image gallery, and biographies of the crews.
Project Gemini Drawings and Technical Diagrams: Blueprint-type drawings of the Gemini spacecraft.
Project Gemini: A Chronology: NASA book detailing all aspects of Project Gemini, including design, development, and flight tests.