St. John, Vernon Henry, 6th Viscount Bolingbroke. In the House of Lords. Petition of Vernon Henry, Viscount Bolingbroke, Viscount Saint John, Baron Saint John of Lydiard Tregoze, and Baron Saint John of Battersea for a writ of summons. 1920. - London - 2, [2]p. Docket-title. Subjects--Topical Terms: Bolingbroke peerage claim.Peerage--Claims.--Great Britain