- FondsBeaton - Papers of Sir Cecil Beaton
- SeriesA - Correspondence
- SubseriesA1 - General letters to Beaton
- File254 - William Henderson. Autograph letters and postcards to Beaton
- Item1 - Autograph letter signed to Beaton, from New Delhi
- Item2 - Autograph letter signed to Beaton, from New Delhi
- Item3 - Autograph postcard signed to Beaton
- Item4 - Autograph postcard signed to Beaton.
- Item5 - Autograph postcard signed to Beaton, from Spetsai
- Item6 - Autograph postcard signed to Beaton