- FondsBeaton - Papers of Sir Cecil Beaton
- SeriesA - Correspondence
- SubseriesA1 - General letters to Beaton
- File515 - Christopher Hugh Sykes. Letters to Beaton.
- Item1 - Autograph letter signed to Beaton, from Swyre House, near Dorchester.
- Item2 - Autograph letter signed to Beaton, from Swyre House, near Dorchester.
- Item3 - Typescript letter signed to Beaton, from Swyre House, near Dorchester.
- Item4 - Typescript letter signed to Beaton, from Swyre House, near Dorchester.