Letters from General Washington, to several of his friends in the year 1776. In which are set forth, a fairer and fuller view of American politicks, than ever yet transpired, or the public could be made acquainted with through any other channel. : Together with the Reverend Mr. Jacob Duche's (late chaplain to the Congress) letter to Mr. Washington, and an answer to it, by Mr. John Parke, a lieutenant-colonel in Mr. Washington's army.