- FondsBeaton - Papers of Sir Cecil Beaton
- SeriesA - Correspondence
- SubseriesA1 - General letters to Beaton
- File137 - Lady Diana Olivia Winifred Maud Cooper. Letters and postcards to Beaton.
- Item1 - Autograph letter to Beaton
- Item2 - Autograph postcard to Beaton, from Monte-Carlo.
- Item3 - Autograph postcard signed to Beaton, from Vineuil
- Item4 - Autograph letter signed to Beaton, from Montecatini Terme
- Item5 - Typescript letter to Beaton, from aboard the George Potamianos
- 40 more...