- LEO 70th Birthday
- Lyons visit to the USA 1947
- The Early Days of Customs & Excise Computing
- 7 hole Paper Tape Explained
- “Leo 1 components”: (Not sure what this is, but then I wasn’t an engineer!)
- Two pages of a Leo III log, followed by an annotated version of the first page. Submitted from Australia by John Hoey:
- LEO III Engineers Course