Nelson, V. ORCID: https://orcid.org/0000-0003-1075-0238, Maynard, B., Blowfield, M., Burchell, R., Collinson, C., Tallontire, A. and Thornback, J. (2001) Ethical trade, people and forests (A manual). Natural Resources Institute, Chatham, UK.

Blowfield, M. and Donaldson, T. (1993) Pastoral groups and cereal storage systems. Report on an exploratory visit to Nigeria (NRI report no. R1999 (S)). [Working Paper]

Blowfield, M. (1993) The allocation of labour to perennial crops. NRI Socio-economic Series, 3 . Natural Resources Institute, Chatham, UK. ISBN 0-85954-360-9