The souldiers exercise [electronic resource] : in three bookes : containing most necessary and curious rules for the exact mustering both of horse-troopes and foote-bands : with severall formes of battailes described in figures : a worke fit to be studied, and meete for the knowledge of captaines, muster-masters, and all young souldiers and generous spirits that love the honourable practise of armes / by G. Markham