"The book," complete : being the whole of the depositions on the investigation of the conduct of the Princess of Wales, before Lords Erskine, Spencer, Grenville and Ellenborough, the four commissioners of inquiry appointed by the King in the year 1806, prepared for publication by the late Right Hon. Spencer Perceval : to which is prefixed, an historical preface including every fact that has transpired since the period of the investigation, the whole forming one of the most interesting documents ever laid before the British public / by C.V. Williams.