Proceedings of a general court martial held at the horse guards, on the 24th and 27th of March, 1792, for the trial of Capt. Richard Powell, Lieut. Christopher Seton, and Lieut. John Hall, of the 54th regiment of foot : on several charges preferred against them respectively by William Cobbett, late Serjeant-Major of the said Regiment : together with several curious letters ... and various other documents connected therewith, in the order of their dates.