Comprises:
- D1, Envelope of DEUCE data cards, n.d.;
- D2, Rugby/Whetstone DEUCE Bulletin, Issue No. 1, May 1 1959;
- D3, Rugby/Whetstone DEUCE Bulletin, Issue No. 2, June 1 1959;
- D4, Rugby/Whetstone DEUCE Bulletin, Issue No. 3, July 1 1959;
- D5, DEUCE Bulletin, Issue No. 4, August 1 1959;
- D6, DEUCE Bulletin, Issue No. 5, September 1 1959;
- D7, DEUCE Bulletin, Issue No. 6, October 1 1959;
- D8, DEUCE Bulletin, Issue No. 7, November 1 1960;
- D9, DEUCE Bulletin, Issue No. 8, January 19 1960;
- D10, DEUCE Bulletin, Issue No. 9, February 22 1960;
- D11, DEUCE Bulletin, Issue No. 10, June 13 1960;
- D12, DEUCE News, Nos 45, 512, 1960;
- D13 DEUCE Programme Codes, c 1961: General Interpretive Programme (G.I.p. 7), English Electric Multiple Regression Programme, DEUCE Programme No. NPL128 Curve Fitting, DEUCE Instruction Code, Automatic Instruction Modifier, Filler Instructions for DEUCE;
- D14, DEUCE Alphacode Manuals;
- D15, S.J.M. Denison, Decimal to Binary and Binary to Decimal Conversions. Report NS y 62, 27 June 1957;
- D16, C. Robinson, Report NS u 242, Notes on Binary Decimal and Decimal Binary Conversion (using Brunsviga), 9 September 1957;
- D17, A. Gilmour, Report NS u 246, Instructions for Using Automatic Instruction Modifier and 64 Column Read and Punch, Report NS u 246, 18 September 1957;
- D18, R.A. Smith, Report Ns y 77, DEUCE Programme News No.16, 19 November 1957;
- D19, Miss A. Birchmore, Report NS y 78, Standard Operating Instructions for DEUCE, 21 November 1957;
- D20, P.J. Landin, Report NS y 80, Preparing and Testing Deuce Programmes, 25 November 1957.
- D21, Miss A. Birchmore, Report NS y 79, DEUCE Control Panel Manual, 21 November 1957;
- D22, Miss A. Birchmore, Report NS y 79, DEUCE Control Panel Manual, 21 November 1957;
- D23, V.E. Price and G.M. Davis, Report NS y 88, Basic DEUCE Programming (2nd Issue), 20 January 1958;
- D24, S.J.M. Denison, E.N. Hawkins and C. Robinson, Report NS y 87, DEUCE Programme News No.20, January 1958, 29 January 1958;
- D25, C. Robinson, Report NS u 259, DEUCE Schematic Diagram, 14 February 1958;
- D26, C. Robinson, Report NS u 258, Useful Constants, 14 February 1958;
- D27, P.J. Landin, Report NS u 261, Notes on GIP 5, 18 February 1958;
- D28, R.A. Smith, Report NS y 103, DEUCE Programme News No.26, August 1958: DEUCE Subroutine Library, 28 August 1958;
- D29, J. Boothroyd, Report NS u 272, DEUCE Programming Examples, 16 September 1958;
- D30, Miss A. Birchmore, Report NS y 104, A DEUCE Programme to Calculate H.C.F., 16 September 1958;
- D31, M.J. Kelly & B. Randell, Report W/AT 216, Preliminary Report on EASICODE, 19 October 1958;
- D32; B.W. Clark, Report W/M(4A).p. 11, General Decimal Punch Subroutine, 31 October 1958;
- D33, B.W. Clark, Report W/M(4A).p. 12, Alpha-Numeric Punch Out Subroutine, 11 November 1958;
- D34, E.N. Hawkins, Report NS y 114, Supplement to DEUCE News No.20, DEUCE Alphacode (Mark 2), 4 December 1958;
- D35, C.G. Broyden, Report W/AT 255, STEVE, 15 December 1958;
- D36, D.J. Ozanne, Report NS u 286, DEUCE Programmers' Course No.8, 20 January 1959;
- D37, C.G. Broyden, Second Amendment to W/AT 255, Further Notes on 'STEVE' and 'BEVERLEY, 17 November 1959;
- D38, R.A. Smith, Report NS y 85, DEUCE Programme News No.18, January 1958. Lists of DEUCE Library Routines, n.d.;
- D39, Programming notes on STEVE and BEVERLEY, c 1958;
- D40, DEUCE Programming notes, including DEUCE Programme No.19012: Tabular Interpretive Scheme, pp. 21, n.d.;
- D41, Miscellaneous DEUCE programming notes;
- D42; Computer printout, Bristol Mk.II drum filling;
- D43, Computer programming notes and printout, Atomic Power Division, English Electric Co. Ltd;
- D44, Computer printout, programming notes, including TIP Mark 2 Order Code, typescript, Mechanical Engineering Laboratory, English Electric Co. Ltd.