American Harp Society
The american harp society, with almost 3000 members, serves the needs of performers, teachers and students of harp
http://www.harpsociety.org/
Harpers Hall Society
Harpers Hall Society
http://www.harpershall.com/
Historical Harp Society
Historical Harp Society
http://www.historicalharps.org/
Ned. Folk Harp Vereniging
Ned. Folk Harp Vereniging
http://www.amateurmuziek.nl/site/includes/artikeldetail.jsp?sectorid=120&nodeid=248&rasterid=995
The Jerusalem Harp Foundation
The Jerusalem Harp Foundation
http://www.musicmax.com/