'Pütter's Political History of Germany' in The Analytical review, or History of literature, domestic and foreign, on an enlarged plan, vol. 8 ([s.n.], 1788-1798, 1790), p. 527: "The division among the ten circles of the 40,000 men, consisting of 12,000 cavalry, including 2,000 dragoons, and 28,000 infantry, was rated in the following proportions..."