Donald Walker. Defensive Exercises; comprising Wrestling, as in Cumberland, Westmoreland, Cornwall, and Devonshire; Boxing, both in the usual mode and in a simpler one; Defence Against Brute Force, by various means; Fencing and Broad Sword, with simpler methods; the Gun and its Exercise; the Rifle, and its exercise; &c. &c. &c. London: Thomas Hurst, 1840.