SpacePDF

• Aerospace Technologies Advancements
  by Thawar T. Arif; Sciyo.com; 2010; 514 pages
• Chariots for Apollo: A History of Manned Lunar Spacecraft
  by Courtney G. Brooks, James M. Grimwood, Loyd S. Swenson Jr.; 1979; NASA SP-4205
• Exploring Space with a Camera
  by Edgar M. Cortright, 1968, 238 pages, NASA SP-168
• MIT OpenCourseWare – Aeronautics and Astronautics – Rocket Propulsion
  Lecture Notes by Manuel Martinez-Sanchez, 2005, PDF
• NASA Historical Databook Volume III: Programs And Projects 1969-1978
  by Linda Neuman Ezell, 1988, NASA SP-4012
• Space Handbook: Astronautics and Its Applications
  by Robert W. Buchheim, 1958, 348 pages, 12 MB, PDF
• Spacecraft Dynamics
  by Thomas R. Kane, 1983, 436 pages, 56 MB, PDF
• Stages to Saturn: A Technological History of the Apollo/Saturn Launch Vehicles
  by Roger E. Bilstein, 1996, NASA SP-4206
• This New Ocean: The History of Space Flight
  by James Schombert, Department of Physics, University of Oregon, 2009
• Where No Man Has Gone Before: A History of Apollo Lunar Exploration Missions
  by William David Compton, 1989, NASA SP-4214