An impartial representation of the conduct of the several powers of Europe, engaged in the late general war: including a particular account of all the military and naval operations; from the commencement of hostilities between the crowns of Great Britain and Spain, in 1739, to the conclusion of the general treaty of pacification at Aix la Chapelle, in 1748. To which are added, letters between Monsieur Voltaire and the author, relative to this work, and to the subject of history in general