Gilbert and Sullivan links:

The Gilbert and Sullivan Archive:  http://math.boisestate.edu/gas/

David Sandham's Gilbert and Sullivan pages including the International Gilbert and Sullivan Festival program and the most comprehensive G&S production diary: http://www.savoyopera.co.uk/

Local society links:

Birley Carr Methodist Musical and Dramatic Society http://www.birleycarrgrenoside.talktalk.net/