The following materials can be found in Charles Kingsley Adams' papers:
- Work for the National Portrait Gallery, specifically one file of lecture notes and one file of miscellaneous correspondence
- Portrait research, including a notebook on portraits at Cambridge, a notebook on portraits at Speaker's House, one file on portraits owned by the Barber Surgeons Company, and one file on various portraits
- Work for external bodies, including files on Adams' catalogue of the Garrick Club artworks, portraits of Horace Walpole, artworks at Hagley Hall, artworks at Hatfield House, and single files relating to work for other bodies.