Note 17 — HISTORICAL RECORD OF THE FIRST, OR ROYAL REGIMENT OF FOOT.
Reading edition
Monro's expedition; and Harte's Life of Gustavus Adolphus.
"He maintained his post for nine weeks, repulsing every attempt to retake it, till he was relieved by a Scotch regiment (the Royals) under Colonel Hepburn, and a body of Swedish troops."General David Stewart's History of the Highland Regiments, published in 1822.