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, Lieutenant Christopher Seton and Lieutenant John Hall : on several charges preferred against them respectively by William Cobbett, late Serjeant-Major of the said regiment : together with several letters which passed between the said William Cobbett and Sir Charles Gould. - Powell, Richard (Printed for S. Tipper, by W. Flint, 1809)