What is a historic organ? / David Knight -- Protection of historic organs: European legislation and British isolation / Barrie Clark -- A USA perspective: 1 / Jonathan Ambrosino -- The preservation and restoration of old organs in Sweden / Axel Unnerbäck -- Conservation of working instruments: when to restore / Göran Grahn -- Conservation of old material in organs / Dominic Gwynn -- Archaeological research: pipework / David C. Wickens -- Archaeological research: casework and other woodwork / Martin Goetze -- Performance standards meet museum standards: the conservation of pipe organs / John R. Watson -- A USA perspective: 2 / Jonathan Ambrosino -- Training opportunities in organ restoration / John Mander -- Towards historically informed advisors / Christopher Kent -- Association of Independent Organ Advisors (AIOA) / John Norman -- From the organ bench / Gordon Stewart -- Instruments and repertoire: concert use / John Kitchen -- The conservation of concert organs / Nicholas Thistlethwaite -- Monitoring of conservation work and quinquennial inspections / John Norman -- Conservation plans / John Clare.