Comprises: Brazil PE/231.4-WO/323.6, OX and photographs by Andrew Couldridge, 1981 and 2000, Suzanne Williams, 1983, Dianna Melrose, 1983, C. Hugh-Jones, 2000 and Tony Gross, 2000. Includes captions to accompany Andrew Couldridge's slides relating to the Oxfam drought programme in North-East Brazil - note that these slides were subsequently renumbered and are now dispersed throughout the Brazil slides in…