Comprises:
- D1, A. Schendel, Volkenrode Translation, Report No. MOS143. ([?1943];
- D2, Symposium on Information Theory. Report of Proceedings. September 1950;
- D3, C.A. Reiners,Survey of Computing Facilities in the UK, Report No.13/53, September 1953;
- D4, IPM List of Controlled Automatic Computers as at Winter 1952/53, TIB/T4338, May 1954;
- D5, H. Rutishauser, A. Speiser and E. Stiefel, Programme Controlled Digital Computers (Electronic Calculating Machines), TIB/T4322, July 1954;
- D6, Catalogue of the MOS Computing and Data Reduction Library, Directorate of Weapons Research (Defence), May 1955;
- D7, Catalogue of the MOS Computing and Data Reduction Library, Directorate of Weapons Research (Defence) May 1955 May 1957;
- D8, WR(D) Computing and Data Reduction Abstracts, No.9, Directorate of Weapon Research (Defence), January 1956;
- D9, WR(D) Computing and Data Reduction Abstracts, No.10, Directorate of Weapon Research (Defence), March 1956;
- D10, R. Sauer and H. Posch, Integrating Machine for ordinary differential equations, SR7 (Technical Records), undated.