Mitchell, Jon, "Military policeman's 'hobby' documented 1970 Okinawa rioting", Japan Times, 17 December 2011, pp. 12.
2013년 6월 17일에 확인함.  Mitchell, Jon, "Military policeman's 'hobby' documented 1970 Okinawa rioting", Japan Times, 17 December 2011, pp. 12.