1. 1980. A plea for change: peace justice, jobs. Introduction in North-South: a programme for survival. Report of the Independent Commission on International Development Issues under the Chairmanship of Willy Brandt. Pan Books Ltd: London and Sydney.
2. 2003. Keynote opening address Conference on 'Financing sustainable development, poverty reduction and the private sector: finding common ground on the ground' Chatham House, 22nd January, 2003.
3. The Impact and Sustainability of Community Water Supply and Sanitation Programmes in Developing Countries
4. 1998. Prospects for sustainable water management policy in sub-Saharan Africa: with special reference to the north east arid zone of Nigeria. In Water Resource Management: A Comparative Perspective, (ed.). Praeger: Westport, CT, USA; 107-127.
5. 2001. Private sector participation in low cost water well drilling. DFID Infrastructure and Urban Development Division KAR PROJECT R7126 Final Report. ISBN 1861940 629.