Description: Print of full-length portrait of 'The Right Honourable Edward Harley, Earl of Oxford and Earl Mortimer, Son of Robert Harley, Lord High Treasurer of Great Britain', painted by Michael Dahl 1728, engraved by George Vertue by appointment of Henrietta Cavendishe-Hollis, Countess of Oxford and Mortimer 1745 (Edward Harley 1687-1741, collector of the Harleian Manuscripts, married Henrietta Cavendish in 1713, thereby becoming owner of Bolsover Castle)