REFERENCE
Bubishi: The Bible of Karate, edited by Patrick McCarthy
My Journey With the Grandmaster: Reflections of an American
Martial Artist on Okinawa, by Maj. William R. Hayes, USMC (Ret.)
Martial Musings: A Portrayal of Martial Arts in the 20th Centuryby Robert W. Smith
Tao of Jeet Kun Do, by Bruce Lee