Image and form : prints, drawings, and sculpture from southern Africa and Nigeria : 21st March--25th July 1997, Brunei Gallery, School of Oriental and African Studies, University of London : 10th August--30th August 1997, Edinburgh College of Art, Heriot-Watt University / exhibition curators, Robert Loder, Lisa Muncke, John Picton ; catalogue editor, John Picton ; with contributions by Marion Arno...