- Re-Gifters (Minx) by Mike Carey, Marc Hempel, et all 2007-06-06
- The Korean martial art of self-defense Hap Ki Do: Advanced techniques by Hui S Choe, 1996
- Hap ki do: For associate members of World Han Mu Do Association by He-Young Kimm, 1994
- Nunchaku Techniques by Joon Jee, 1975
- Dochang Journal - Level 4 by Bruce W. Sims, 2000-12-08
- Black belt: [student manual] by Marshall P Gagne, 2001
- Blue belt: [student manual] by Marshall P Gagne, 2001
- Yellow belt: [student manual] by Marshall P Gagne, 2000
- Red belt: [student manual] by Marshall P Gagne, 2001
- Black Belt Course Techniques Book by Chong M. Lee, 1990-06
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