Includes:
-article written for Antique
-review of an exhibition held at Agnew's in 1990
-review of an exhibition held at Olympia in 2002
Also includes:
-three letters exchanged between Sewell and Malcolm Yorke, dated 14-20 November 1990, concerning Keith Vaughan's Journals
-letter from Guy Burch, artist, dated 24 February 2014, concerning Vaughan, and also Ossie Clark and Nick Balaban
-research material