Incorporated Association of Organists www.iao.org.uk Royal College of Organists www.rco.org.uk Royal School of Church Music www.rscm.com Guild of Church Musicians www.churchmusicians.org The Organ Club www.organclub.org St Giles International Organ School www.organschool.com National Pipe Organ Register http://npor.emma.cam.ac.uk The British Institute of Organ Studies www.bios.org.uk Institute of British Organ Building www.ibo.co.uk Incorporated Society of Organ Builders www.musiclink.co.uk/isob Association of Independent Organ Advisers www.aioa.org.uk Allegro Music www.allegro.co.uk Peter King - Organist www.peterking.org Dr Christopher Maxim www.christophermaxim.co.uk | 
