The British Library
The Manuscript Collections division of The British Library includes the following Walton manuscripts.
| Add. 47898 | Coronation Te Deum | Autograph score |
| Add. 52384 | Chorale Prelude on Wheatley | Autograph score |
| Tell me where is fancy bred | Autograph score | |
| Add. 59813 | A Queen's Fanfare | Autograph score |
| Add. 64120 | Façade: An Entertainment | 'Fox-trot'. Autograph score |
| Egerton 3771 | Façade: An Entertainment | 'Polka'. Autograph score |
| Music Loan 92.1,2 | Romeo and Juliet, by Lambert, orch. Walton | Autograph score |
| Music Loan 106.21 | The Triumph of Neptune, by Lord Berners, orch. Walton | Autograph score |
| Music Misc. Deposit 2003/10 | Façade: An Entertainment | 'Jodelling Song', 'Trams'. Reciter's part |