1. 1970. ‘The construction of St. Paul's Cathedral and its repair and maintenance’, Notes and extracts by R. Crayford Esq. from original material in the libraries of the Cathedral, the Guildhall, Lambeth Palace et al., 1689–1885 and a precis of the surveyors reports, 1686–1969. 243 pp.
2. and 1982. ‘Improvements to the micro-erosion meter (M.E.M.)’, British Geomorphological Research Group, Technical Bulletin (In press).