LEO Programming tracings:
- A1OHC. Programme Locn. 1/12 (31.3.53);
- A1OV/5. Programme Locn. 1/12 (31.3.53);
- A1OV/4. Programme Locn. 1/12 (31.3.53);
- A1OV/3. Programme Locn. 1/12 (31.3.53);
- A1OV/2. Programme Locn. 1/12 (31.3.53);
- A1OV/1. Programme Locn. 1/12 (31.3.53);
- A1OT. Programme Locn. 2/0 (31.3.53);
- A1OS. Programme Locn. 2/0 (31.3.53);
- A1OR. Programme Locn. 2/0 (31.3.53);
- A1OL. Programme Locn. 2/0 (31.3.53);
- A1OG. Programme Locn. 2/0 (31.3.53);
- A1OE. Programme Locn. 1/12 (31.3.53);
- A1OA. Programme Locn. 2/0 (31.3.53);
- A1OB. Programme Locn. 2/0 (3.6.53);
- Specimen 1. Lyons payroll form for Hammersmith District, Income Tax Year 1953/54. (1.3.54);
- Specimen 5. Lyons payroll form for Hammersmith District, Income Tax Year 1953/54. (23.12.53)
--- Memo asking for Lumaprint copies of the above (27.5.1953);
- A13. Sections 0 & 4 (27.5.53);
- A13. Sections 2 & 6 (27.5.53);
- A13. Sections 3 & 7 (27.5.53);
- A13. Sections 9 &10 (27.5.53);
- A13. Sections 2 & 6 (27.5.53);
- M5A. OJ. Armstrong Whitworth Part I. Preparation (J.H. 9.3.54);
- M5A. Programme Locn. 2/0 (4.6.53);
- M5B. Programme Locn. 2/0 (4.6.53);
- M5S. Programme Locn. 2/0 (5.6.53);
- M5E. Programme Locn. 2/0 (18.5.53);
- M5G. Programme Locn. 2/0 (18.5.53);
- M5H. Programme Locn. 2/0 (9.6.53);
- M5I. Programme Locn. 2/0 (15.6.53);
- M50/1. Programme Locn. 2/0 (15.6.53)
- Drafts for forms: Assembly Summary, Invoice Details, Personal Details for staff;
- Faint proofs of two pages from Appendix 3 (of unidentified longer document), 'Amendments to the Specification for the Linearised Computation'.

Provenance :
From David Caminer's papers. Originally filed with M1 Serial 3: LEO II Test Programme Operating Instructions (CMLEO/DC/WF/LM1/2; DTC/1/4/1).