1. 1992. ‘Essential elements in the case for river conservation’, in and (Eds), River Conservation and Management, John Wiley, Chichester, 11–33.
2. Department of the Environment/Welsh Office. 1992. River Quality: The Government's Proposals—A Conservation Paper, Department of the Environment, London.
3. and , 1992. ‘Catchment planning: the way forward for river protection in the UK’, in and (Eds), River Conservation and Management, John Wiley, Chichester, 397–406.
4. 1983. ‘Typing British rivers according to their flora’, in Focus on Nature Conservation, No. 4, Nature Conservancy Council, Peterborough.