- FondsBeaton - Papers of Sir Cecil Beaton
- SeriesA - Correspondence
- SubseriesA1 - General letters to Beaton
- File17 - Sir Frederick Ashton. Autograph letters to Beaton.
- Item1 - Autograph letter to Beaton, from London
- Item2 - Autograph letter to Beaton, from Northumberland.
- Item3 - Autograph letter to Beaton
- Item4 - Autograph letter to Beaton, from Regents Park, London
- Item5 - Autograph letter to Beaton, from Covent Garden, London
- Item6 - Autograph letter to Beaton, from Marlborough Street, London
- Item7 - Autograph letter to Beaton, from Chandos Lodge, Suffolk