User:BlackAmerican/douggraham

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http://www.judoinside.com/judoka/48225/Douglas_J_Graham/judo-results

https://books.google.com/books?id=TdgDAAAAMBAJ&pg=PA24&dq=Joe+Hayes+taekwondo&hl=en&sa=X&ved=0ahUKEwivoZOQ6N3KAhUJGD4KHcj3D8QQ6AEISTAG#v=onepage&q=Joe%20Hayes%20taekwondo&f=false