1. To Robert Bridges. Discusses the copyright surrounding 'Seven Part-Songs', H162 (17 Jan [?]1917).
2. To Robert and Monica Bridges. Letter of condolence and discusses the publication of 'Seven Part-Songs', H162 (3 Sep 1926).
3. To Robert Bridges. Discusses the setting of some of Robert Bridges' poems for 'Seven Part-Songs', H162, and 'A Choral Fantasia', H177 (10 Sep 1926).
4. To Robert Bridges. Discusses Gustav Holst's trip to Suffolk (29 Dec 1926).
5. To Robert and Monica Bridges. Discusses setting some of Robert Bridges poems for male voices (6 Jul 1927).
6. To Monica Bridges. Letter of condolence on the death of Robert Bridges (28 Apr 1930).
HOL/1/5/2/47 includes a list of the above letters with justification for their dating.