The whole proceedings at large, in a cause on an action brought by the Rt. Hon. Richard Lord Grosvenor against His Royal Highness Henry Frederick, Duke of Cumberland [electronic resource] : for criminal conversation with Lady Grosvenor : tried before the Right Hon. William Lord Mansfield, in the Court of King's-Bench, on the 5th of July, 1770 : containing the evidence verbatim as delivered by the witnesses, with all the speeches and arguments of the counsel and of the court / faithfully taken in short hand by a Barrister.