JENKS, Harold J. and Michael H. Brown. Prison’s Bloody Iron: Deadly Knife Fighting Tactics Revealed.

(Cornville, AZ): Desert Publications, 1978.  First edition.  Paperback original.  119 pages.  Ex-cons and Iron Cross Motorcycle Club members reveal the secrets of knife fighting.  Illustrated with instructive photographic plates and drawings. A very good copy in wrappers.