Subserie 1 - Incoming correspondence

Nearly 1300 letters arranged alphabetically by surname, with letters received on the announcement of his knighthood in a separate file at the end, followed by a file of letters from unidentified correspondents. Other correspondence relating directly to various plays may be found in the Works subseries under the title of the play.

Two letters include parts of letters written by Peter Shaffer: a letter from Elizabeth Cavendish, 29th September 1974 (C42) and
a typed letter from Costas Gianakaris 27 Sept. 2014 (G6) includes the draft of a love letter[?] on the back of the second sheet.