- FondsBeaton - Papers of Sir Cecil Beaton
- SeriesA - Correspondence
- SubseriesA1 - General letters to Beaton
- File559 - Sir David Webster. Typescript letters to Beaton.
- Item1 - Typescript letter signed to Beaton, from the Royal Opera House, London.
- Item2 - Typescript letter signed to Beaton, from the Royal Opera House, London.