Richard Wilson 24 January-7 April.Works by the installation artist at the Mappin Gallery, Sheffield. Details 0114 272 6281.
Nigel Henderson: Parallel of Life and Art Until 2 February. An exhibition of photographs, collages, etc by the Smithsons' collaborator. At the Graves Art Gallery, Surrey St, Sheffield. Details 0114 278 2600.
The Study and Conservation of Timber 11-13 February. A course at the University of York. Details 01904 433963.
RIBA CPD Event: Designing for the Disabled Tuesday 12 February. At Leeds. Details 0113 2456250.
Caro at Longside Until 30 April.Sculpture by Sir Anthony Caro at the Yorkshire Sculpture Park, West Bretton. Details 01924 830302.