MERCER, JOHN FRANCIS (1759-1821). A group of nine letters to this Virginia cavalry officer, legislator and delegate to the Constitutional Convention, including: MARSHALL, JOHN Continental officer, Chief Justice. Autograph letter signed, Richmond, 27 March 1787, 3 pages, 4to, Clarifing a case: "[Morton] seemed to suspect me either of unfair dealing or negligence...The truth is that...you did not place that cause on the list you delivered to me & I did not know that you were concerned for Mr. Morton or that there was such a suit till I saw the injunction bill drawn by Col. Monroe." -- LEE, HENRY ("Light Horse Harry"), Major, Continental Army. Autograph letter signed, [July 1813], 4 pages, 4to, The last four pages of a ranting letter referring sarcastically to the Secretary of State as "salacious Monroe [who] now glows with his revolutionary fire, and the God of War droops his crimson chest in his almighty presence." -- TAZEWELL, HENRY (1753-1799). Autograph letter signed, Williamsburg, 5 June 1783, 2 pages, folio, inquiring about certain provisions for the cessation of hostilities agreed in the Treaty of Paris -- FORREST, RICHARD. Autograph letter signed, Washington D.C. n.d. [docketed by Mercer 22 August 1814], 1 pages, 4to, a vivid letter describing the advance of the British army which burned Washington two days later: "...This evening the President, Secretary of War, Treasury and Navy left for Genl. Winder's headquarters...The enemy were this morning on a direct march for this place..." -- GROSVENOR, THOMAS P. Autograph letter signed, n.p. [docketed 1814], 7 pages, 4to, a Federalist Congressman states his political opinions: "You have no idea of the incapacity which is daily showing itself in every department of the Government. The President is sick. But well or sick, he is in no way qualified to lead ..." -- SPAIGHT, RICHARD D. (1758-1802). Autograph letter signed, New York, 31 January 1785, 3 pages, 4to, friendly contents, mentioning the Continental Congress and "an entertainment given by the Chamber of Commerce where I imagine the wine will circulate with freedom..." -- SPAIGHT. Autograph letter signed, Washington D.C., 29 January 1801, 2 pages, folio, excellent content on the crisis of the Burr/Jefferson Presidential vote: "the Republicans will continue firm & united and will rather risque the rising of Congress without a President, & the dissolution of the Government, rather than give up Mr. Jefferson. The federalists are disposed to do as much mischief as they possible can..." -- and three other letters by Battaile Muse, James Colquhoun, and Charles A. Warfield. Together nine items. (9)