- FondsBeaton - Papers of Sir Cecil Beaton
- SeriesA - Correspondence
- SubseriesA1 - General letters to Beaton
- File494 - Sir Anthony Armstrong-Jones. Autograph letters and telegram to Beaton.
- Item1 - Telegram to Beaton.
- Item2 - Autograph letter signed to Beaton, from London.
- Item3 - Autograph letter signed to Beaton, from Kensington Palace.
- Item4 - Autograph letter signed to Beaton, from London.