Organ Associations
Organ and Music Associations
Royal Canadian College of Organists American Guild of Organists Royal College of Organists
Organ Alternatives Organ Historical Society Incorporated Association of Organists
Royal School of Church Music (Toronto) Royal School of Church Music (America) Royal School of Church Music (England)
Organ Music Society of Sydney Mexican Guild of Organists Associated Pipe Organ Builders
International Organ Foundation American Theatre Organ Society
     
Organ Databases
OHS Pipe Organ Database National Pipe Organ Registry (UK) Organs & Organists OnLine
OSIRIS Archive Encyclopedia of Organ Stops Organs & Organists (Quebec)