Comprises:
- D1, S.W. Skan, Handbook for Computers, 2 vols, DSIR, 1954;
- D2, J.H. Wilkinson, An Assessment of the System of Optimum Coding Used on the Pilot Automatic Computing Engine at the National Physical Laboratory, Philosophical Transactions of the Royal Society, Series A. 248 (155);
- D3, J.H. Wilkinson, Error Analysis of Direct Methods of Matrix Inversion, Journal of Association for Computing Machinery, vol. 8 (1961);
- D4, J.H. WIlkinson, The Calculation of Lame Polynomials, Computer Journal, vol. 8 (1965).