Cooke, R U and Gibbs, G B, Crumbling Heritage?Studies of stone weathering in polluted atmospheres: a report of research on atmospheric pollution and stone decay for the joint working party between the Cathedrals Fabric Commission for England in the joint environmental programme of National Power plc and PowerGen plc., National Power plc, Swindon, 1993.
Schaffer, R J, The Weathering of Natural Building Stones, Building Research Establishment Special Report, no. 18, HMSO, London, 1991 (First published 1932, HMSO, London).
Smith, B J and Warke, P A (ed), Processes of Urban Stone Decay. proceedings of SWAPNET ’95 stone weathering and atmospheric pollution network conference held in Belfast, 19-20 May 1995. Donhead, London, 1996.
Ashurst, J and Dimes, F, Conservation of Building and Decorative Stone. (2 vols) Butterworth Architecture, Oxford, 1990.
Baer, N S and Snethlage, R (Eds), 1997 Saving our Architectural Heritage: The Conservation of Historic Stone Structures. Report of the Dahlem workshop, Berlin, March 3-8, 1996. John Wiley & Sons, Chichester
Price, C, Stone Conservation: an overview of current research. Getty Conservation Institute, California, 1996.
Riederer, J (Ed), 8th International Congress on the Deterioration and Conservation of Stone, Berlin 30 Sept – 4 Oct 1996, (3 vols.), S.N., Berlin, 1996 (also postprints of previous ICDCS papers).
Thiel, M-J. (Ed.), Conservation of Stone and other Materials. Proceedings of the RILEM/UNESCO Congress, Paris, June 29-July 1 1993, E & F N Spon, London, 1993.
Martin, W, ‘Stone Consolidants: A Review.’ In: Teutonico, J.M (ed). A Future for the Past: a Joint Conference of English Heritage and the Cathedral Architects Association, 25-26 March 1994. James & James (Science Publishers) Ltd, London, pp.30-50
BRE Digest 370:Control of Lichens Moulds and Similar Growths, BRE, Watford, 1992.