1. HEAO - a new look at an old universe;Cartwright;TRW Systems and Energy Magazine,1978
2. HEAO satellite makes major findings;Covault;Aviation Week and Space Technology,1977
3. Daily, C.C. and G. J. Fishman (1977). High energy astronomy observatory (HEAO). NASA Report to Educators, March.
4. Doolittle, R. F. (1979). The high energy astronomy observatory (HEAO) mission C. 16th International Cosmic Ray Conference Proceedings, paper T 2–5.
5. Farrenkopf, R.L. and D. P. Hoffman (1977). Guide star targeting success for the HEAO-B observatory. AIAA Guidance and Control Conference, August 1977, paper 77–1040.