| Admin/Biog History | Sewell worked on a proposed publication for John Calmann & Cooper Limited which he titled History of Western Culture. This was never published. |
| Description | Includes:
-four letters between Sewell and Laurence King, Director, Sales and Commissioning, John Calmann & Cooper Limited, dated 1 June-26 August 1983, concerning the arrangements for publishing a book
-typed draft of book (incomplete)
-notes relating to music to be included in the proposed publication |