Duff, Karl J. Martial arts & the law / [electronic resource] / by Karl J. Duff ; editor, Mike Lee ; photography, Mario Prado.. — Burbank, Calif. : : Ohara Publications,, c1985.. — 96 p. : : ill. ; 23 cm.
0897501268 (pbk.) : $6.95 9780897501262 (pbk.)
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Martial arts--Law and legislation--United States. Self-defense (Law)--United States.