Soo Bahk Do
Soo Bahk Do is a martial art founded and taught by Kwan Jang Nim Hwang Kee, his successor Hwang Hyun Chul, known as H.C. Hwang, and instructors who are certified by member organizations of the World Moo Duk Kwan, Inc. This martial art was originally the ancient martial art of Korea. Hwang Kee created Moo Duk Kwan with influence from "Soo Bahk Do" 
- U.S. Soo Bahk Do Moo Duk Kwan Federation
- U.K. Soo Bahk Do Moo Duk Kwan Federation
- Philippine Soo Bahk Do Moo Duk Kwan Federation
- Hwang, The History of Moo Duk Kwan, 1995.