Includes:
-letter from Lord Charles Fitzroy, Christie's, dated 20 August 1984, concerning a portrait of Field Marshall Lord Amhurst
-letter from James Miller, Sotheby's. dated 30 August 1979, concerning a study in pencil, pen and brown ink of a group portrait
-letter from Iain Erskine, Michael Joyce PR Ltd., dated 29 November 1971, concerning a portrait of Mr Morgan
-letter from the National Portrait Gallery, dated 19 September 1955, concerning portraits of the Duke of Northumberland and Mrs Stafford in the Middlesex Hospital collection
-letter from Dr A Philips, dated 3 March 1981, concerning a portrait of William Hunter
-letter from Derek Sherborn, dated 3 July 1975, concerning a a portrait of William Featherstonhalgh