Ritchie, J. M. (ed.) (2000) Integrated crop management research in Malawi: developing technologies with farmers. Proceedings of the final project workshop, Club Makokola, Mangochi, Malawi, 29 November - 3 December 1999. Natural Resources Institute, Chatham, UK. ISBN 0859545199

Orr, A., Mwale, B., Ritchie, J. M., Lawson-McDowall, J. and Chanika, C. S. M. (2000) Learning and livelihoods: The experience of the FSIPM project in southern Malawi. Farming systems integrated pest management project . Natural Resources Institute, Chatham, UK. ISBN 0859545245

Ritchie, J. M. and Dobson, H. (1995) Desert locust control operations and their environmental impacts. Natural Resources Institute Bulletin Series . Natural Resources Institute, Chatham Maritime, Kent, UK. ISBN 0859544179 ISSN 0952-8245