pt. 1. The Attlee Government, August 1945-October 1951 (CAB 128/1-13 & CAB 129/1-20) (microfilm reels 1-13)
pt. 2. The Atlee Government, August 1945-October 1951 (CAB 128/14-22 & CAB 129/21-47) (microfilm reels 14-32)
pt. 3. The Churchill and Eden Governments 1951- 1957 (microfilm reels 33-48)
pt. 4. The Macmillan and Douglas-Home Governments (microfilm reels 49-69)
pt. 5. The Wilson Government, 1964-1968 (microfilm reels 70-80)
pt. 6. The Wilson Government, 1964-1968, 2000 update (microfilm reels 81-84)
pt. 6. The Wilson Government, January 1969-May 1970, 2001 update covering 1970 releases (microfilm reels 85-86)
pt. 7. The Heath Government, June 1970-March 1974, 2001 update covering 1970 releases (microfilm reels 87-92)
pt. 7. The Heath Government, June 1970-1974, 2004 update covering 1973 releases (microfilm reels 97-100).