A letter from William Shirley, Esq; governor of Massachusetts-Bay, to His Grace the duke of Newcastle : with a journal of the siege of Louisbourg, and other operations of the forces, during the expedition against the French settlements on Cape-Breton; drawn up at the desire of the Council and House of Representatives of the province of Massachusetts-Bay; approved and attested by Sir William Pepperrell, and the other principal officers who commanded in the said expedition. : Published by authority.