The compleat captain, or, An abridgement of Julius Caesar's commentaries : with political remarks on his wars with the Gauls, Brittains, Spaniards, Affricans, Alexandrians, and the civil wars / by Henry Duke of Rohan ; with the military dicipline of the Greeks and Romans, shewing the means by which they obtain'd so many glorious victories, and explaining the manner of their encampments ; to which is added the maxims of war now in use, together with a comparison betwixt the ancient and modern way of making war, with observations on both.