| Description | Includes:
-letter from Bill Jacklin, artist, undated, thanking Sewell for supportive reviews of his work
-four letters between Sewell and Bernard Jacobson, Bernard Jacobson Gallery, dated 26 November-4 December 1990, concerning the artist Anthony Zych
-letter from Christine Jannick, dated 10 August [?], concerning Armenian churches in Turkey
-ten letters (two illustrated) and one draft essay from Tess Jaray, artist, dated c2000-31 December 2015, concerning various subjects including her work, Sewell's work, and his health
-three letters between Sewell and David Fraser Jenkins, British Collection, Tate Gallery, dated 17 July 1990-11 November 2013, concerning Sewell's writing, and his art collection
-letter from Paul Jeromack, dated 11 May 1995, concerning research on Diderot
-letter from Caspar John, dated 1 August 1969, concerning a mutual friend
-card from Elton John, musician, undated, concerning Sewell's health
-letter from Richard John, undated, thanking Sewell for his help
-letter and exhibition flyer from Gwyneth Johnstone, dated c1993, inviting Sewell to see her work
-three letters and two invitations from Nicholas Jolly, artist, dated 7 October 1984-c2000, concerning his work
-two letters, a photocopy of an extract from a German exhibition catalogue titled 'Neue Englische Kunst, 26 June 1932', and a Christmas card from Rudiger Joppien, German art historian, dated c25 April 1974 and 10 February 2007, concerning forwarding a copy of the Kobell catalogue, and art in Hamburg
-letter from Barry Joule, dated 16 September 1999, concerning an exhibition of Francis Bacon's works |