1/ GE Perry’s correspondence with Dr BM Jasani; GE Perry reviewed Jasani’s chapter for Year Books 1973, 1974, 1975 & 1976 (Reconnaissance satellites)

2/ SIPRI Symposium 17-20 Nov 1981 “Outer Space – a new dimension in the Arms Race” (GE Perry’s paper "Identification of military components within the Soviet Space Programme" presented 17.11.81 Session 2 1400-1530 with conference paperwork and GE Perry correspondence)

3/ Various papers, including GE Perry’s manuscript for his chapter in the SIPRI-UNU book about Outer Space