The second part of the principles of the art military, practized in the warres of the United Provinces : consisting of the severall formes of battell, represented by the illustrious Maurice Prince of Orange, of famous memorie, and His Highnesse Frederick Henry Prince of Orange, that now is, Lord Generall of the Army of the high & mighty Lords the States Generall of the United Netherlands, &c. : together with the order and forme of quartering, encamping, and approching, in a warre offensiue & defensiue : vvith a briefe discourse of cavallerie, or horsemen /