Organizations
American Hapkido Academy, American Hapkido Association, British Hapkido Association, Daehan Hapkido Federation, Europe Hapkido Organisation, European Hapkido Alliance, Flying Eagle Bong Hapkido Association of Singapore, Hapkido International Association, Hoshinkido Hapkido Belgium, International Combat Hapkido Federation
Hapkido Lineages
Based on research by Dakin Burdick at Indiana University, Bloomington, Indiana.