1. Technical Notes on a New Material in Conservation
2. SHORTER CONTRIBUTION
3. The case against using soluble nylon in conservation work
4. Sawdy, A., Heritage, A., and Cather, S. 'St Botolph's Church, Hardham: conservation of the wall paintings. Phase I: investigations, recording, treatment testing and assessment', unpublished report, Courtau1d Institute of Art, London (1998).