Context of Journals of Major Robert Rogers : containing an account of the several excursions he made under the generals who commanded upon the continent of North America, during the late war : from which may be collected the most material circumstances of every campaign upon that continent, from the commencement to the conclusion of the war : with an introduction and notes, and an appendix containing numerous documents and papers relating to the doings of Major Rogers while commanding at Michilimackinack, in 1767; and his conduct in the early part of the revolutionary war