Lord Lieutenant of Ireland.
From the description of Autograph letter signed : Wimpole Hall, near Royston, to Captain Ridge, 1800 Aug. 10. (Unknown). WorldCat record id: 270506225
From the description of Autograph letter signed, 1794 April 26. (Unknown). WorldCat record id: 270498072
The pamphlets were accumulated over the course of a century, evidently by Philip Yorke, the first Earl of Hardwicke (1690-1764); his eldest son, Philip Yorke, the second Earl of Hardwicke (1720-1790); and the second Earl's nephew, Philip Yorke, the third Earl of Hardwicke (1754-1834). All three Earls were prominent in political life.
From the description of Catalog of the library of Philip Yorke, third Earl of Hardwicke, describing a collection of pamphlets at his London residence : [manuscript], ca. 1812. (Unknown). WorldCat record id: 85036501